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WorksheetsEcology Study Guide Exam 1
Total questions: 131
Worksheet time: 1hrs 9mins
What is the Time Scale Dilemma?
That evolution could take place over a millennia, a couple generations, or even be shown while ecologists watch the species
A change in the genetic composition of a population from one genaration to the next
Individuals with certain traits survive and reproduce at higher rates than others
Study of how organisms interact with each other in there environments, which includes population growth, nutrient cycling, competition, herbivory, and predation
Define: Evolution
That evolution could take place over a millennia, a couple generations, or even be shown while ecologists watch the species
A change in the genetic composition of a population from one genaration to the next
Individuals with certain traits survive and reproduce at higher rates than others
Study of how organisms interact with each other in there environments, which includes population growth, nutrient cycling, competition, herbivory, and predation
Define: Evolution by natural selection
That evolution could take place over a millennia, a couple generations, or even be shown while ecologists watch the species
A change in the genetic composition of a population from one genaration to the next
Individuals with certain traits survive and reproduce at higher rates than others
Study of how organisms interact with each other in there environments, which includes population growth, nutrient cycling, competition, herbivory, and predation
Define: Ecology
That evolution could take place over a millennia, a couple generations, or even be shown while ecologists watch the species
A change in the genetic composition of a population from one genaration to the next
Individuals with certain traits survive and reproduce at higher rates than others
Study of how organisms interact with each other in there environments, which includes population growth, nutrient cycling, competition, herbivory, and predation
What are the four mechanisms of Evolution?
Mutation
Natural Selection
Diversity
Migration
Genetic Drift
Define: Mutation
Copying errors within an individual's genetic code (DNA)
A systematic difference in the survival and reproductive success of individuals with different genotypes or phenotypes
Process of individuals either leaving or entering a population physically, via movement, could be an individual or a whole group
The change in the genetic composition from generation to generation that happens as a result of sampling error, is a random process
Define: Natural Selection
Copying errors within an individual's genetic code (DNA)
A systematic difference in the survival and reproductive success of individuals with different genotypes or phenotypes
Process of individuals either leaving or entering a population physically, via movement, could be an individual or a whole group
The change in the genetic composition from generation to generation that happens as a result of sampling error, is a random process
Define: Migration
Copying errors within an individual's genetic code (DNA)
A systematic difference in the survival and reproductive success of individuals with different genotypes or phenotypes
Process of individuals either leaving or entering a population physically, via movement, could be an individual or a whole group
The change in the genetic composition from generation to generation that happens as a result of sampling error, is a random process
Define: Genetic Drift
Copying errors within an individual's genetic code (DNA)
A systematic difference in the survival and reproductive success of individuals with different genotypes or phenotypes
Process of individuals either leaving or entering a population physically, via movement, could be an individual or a whole group
The change in the genetic composition from generation to generation that happens as a result of sampling error, is a random process
How do invasive plant species find such quick success?
Without any natural predators they can, put their energy that they'd spend on reproduction and put it into growth and defense
Without any natural predators they can put their energy that they'd spend on growth and defense and put it into reproduction
Without any natural predators they can act as the top of the food chain and begin to outcompete other species that fill that niche they are taking over
Without any natural predators they can begin to evolve to their new environment and fill in a niche that was needed due to the extinction of a sperate species years ago
How do invasive animal species find such quick success?
Without any natural predators they can, put their energy that they'd spend on reproduction and put it into growth and defense
Without any natural predators they can put their energy that they'd spend on growth and defense and put it into reproduction
Without any natural predators they can act as the top of the food chain and begin to outcompete other species that fill that niche they are taking over
Without any natural predators they can begin to evolve to their new environment and fill in a niche that was needed due to the extinction of a sperate species years ago
What are the three requirements for the Theory of Evolution by Natural Selection?
There's variation among individuals
Some variants survive and are able to evolve on an individual scale
At least some of this variation is passed genetically from parents to offspring
Some variants survive and reproduce at higher rates than others
There's no variation among individuals
What were Darwin's 2 most important points on the Theory of Evolution?
Earths organisms wouldn't be able to prosper pasts a couple generations without some sort of mutation
Earths organism are descended with modification from past ancestors
The process largely responsible is evolution by natural selection
That there is a line in which species don't go beyond due to the suitability's of the environment
Define: Trait Variability
The extent to which a trait varies, either within or between populations
Traits that can be passed down through genes
% portion of individuals in a group that are still alive after a given period of time
Study of allele frequencies in populations
Define: Heritable
The extent to which a trait varies, either within or between populations
Traits that can be passed down through genes
% portion of individuals in a group that are still alive after a given period of time
Study of allele frequencies in populations
Define: Survival Rate
The extent to which a trait varies, either within or between populations
Traits that can be passed down through genes
% portion of individuals in a group that are still alive after a given period of time
Study of allele frequencies in populations
Define: Population Genetics
The extent to which a trait varies, either within or between populations
Traits that can be passed down through genes
% portion of individuals in a group that are still alive after a given period of time
Study of allele frequencies in populations
What are population geneticists main goal?
Genetic differences within and between populations as well as how the genetic composition of populations changes over time and how new species come to be
Figuring out how often an event or state occurs within nature
Relative abundance of genotype and the alleles that compromise them, and change from 1 gen to the next
How evolutionary successful an individual is within a certain enviroment
Define: Automatic consequence
Genetic differences within and between populations as well as how the genetic composition of populations changes over time and how new species come to be
How often an event or state occurs within nature
Relative abundance of genotype and the alleles that compromise them, and change from 1 gen to the next
How evolutionary successful an individual is within a certain enviroment
Define: Fitness
Genetic differences within and between populations as well as how the genetic composition of populations changes over time and how new species come to be
How often an event or state occurs within nature
Relative abundance of genotype and the alleles that compromise them, and change from 1 gen to the next
How evolutionary successful an individual is within a certain enviroment
Define: Frequency
Genetic differences within and between populations as well as how the genetic composition of populations changes over time and how new species come to be
How often an event or state occurs within nature
Relative abundance of genotype and the alleles that compromise them, and change from 1 gen to the next
How evolutionary successful an individual is within a certain enviroment
Define: Discrete trait
A trait that is expressed with distinct discontinuous categories
A character with a continuous distribution
All the species within a given area
Study of how organisms function
Define: Quantitive trait
A trait that is expressed with distinct discontinuous categories
A character with a continuous distribution
All the species within a given area
Study of how organisms function
Define: Physiology
A trait that is expressed with distinct discontinuous categories
A character with a continuous distribution
All the species within a given area
Study of how organisms function
Define: Community
A trait that is expressed with distinct discontinuous categories
A character with a continuous distribution
All the species within a given area
Study of how organisms function
What do Physiologists investigate?
How organisms obtain energy and nutrients needed to survive, how they transport these resources to where they are needed inside the body, and how they eliminate leftover waste products
A diagram that categorizes ecosystem types according to precipitation and temp
Sunlight
Temp Patterns
Precipitation Patterns
Nutrient Content
pH
Salinity of Soils
Other Species within the community
Water loss through the soil surface
Water loss through water vapor via plants
Define: Whitakers Diagram
How organisms obtain energy and nutrients needed to survive, how they transport these resources to where they are needed inside the body, and how they eliminate leftover waste products
A diagram that categorizes ecosystem types according to precipitation and temp
Sunlight
Temp Patterns
Precipitation Patterns
Nutrient Content
pH
Salinity of Soils
Other Species within the community
Water loss through the soil surface
Water loss through water vapor via plants
Define: Evaporation
How organisms obtain energy and nutrients needed to survive, how they transport these resources to where they are needed inside the body, and how they eliminate leftover waste products
A diagram that categorizes ecosystem types according to precipitation and temp
Sunlight
Temp Patterns
Precipitation Patterns
Nutrient Content
pH
Salinity of Soils
Other Species within the community
Water loss through the soil surface
Water loss through water vapor via plants
Define: Transpiration
How organisms obtain energy and nutrients needed to survive, how they transport these resources to where they are needed inside the body, and how they eliminate leftover waste products
A diagram that categorizes ecosystem types according to precipitation and temp
Sunlight
Temp Patterns
Precipitation Patterns
Nutrient Content
pH
Salinity of Soils
Other Species within the community
Water loss through the soil surface
Water loss through water vapor via plants
Factors that Effect Plant Species
How organisms obtain energy and nutrients needed to survive, how they transport these resources to where they are needed inside the body, and how they eliminate leftover waste products
A diagram that categorizes ecosystem types according to precipitation and temp
Sunlight
Temp Patterns
Precipitation Patterns
Nutrient Content
pH
Salinity of Soils
Other Species within the community
(Temp and Pricip most important)
Water loss through the soil surface
Water loss through water vapor via plants
Define: Evapotranspiration
Evaporation
+
Transpiration
=
______
A diagram that categorizes ecosystem types according to precipitation and temp
Sunlight
Temp Patterns
Precipitation Patterns
Nutrient Content
pH
Salinity of Soils
Other Species within the community
(Temp and Pricip most important)
Water loss through the soil surface
Water loss through water vapor via plants
Define: Potential Evapotranspiration (PET)
The total amount of evapotranspiration that occurs if water is not limited
Fit for that locale, and if moved to another, fitness drops drastically
Atmospheric humidity
Wind Speed
Regulation types
Indicates the rate that water actually evapotranspires given the systems available moisture
Define: Local Adaptation
The total amount of evapotranspiration that occurs if water is not limited
Fit for that locale, and if moved to another, fitness drops drastically
Atmospheric humidity
Wind Speed
Regulation types
Indicates the rate that water actually evapotranspires given the systems available moisture
Define: Actual Evapotranspiration
The total amount of evapotranspiration that occurs if water is not limited
Fit for that locale, and if moved to another, fitness drops drastically
Atmospheric humidity
Wind Speed
Regulation types
Indicates the rate that water actually evapotranspires given the systems available moisture
Factors that effect PET
The total amount of evapotranspiration that occurs if water is not limited
Fit for that locale, and if moved to another, fitness drops drastically
Atmospheric humidity
Wind Speed
Regulation types
Indicates the rate that water actually evapotranspires given the systems available moisture
Define: Sampling Error
Statistical error that arises when the subset of a population sampled is not representative of the population as a whole.
A particular kind of genetic drift, it is change in the frequencies of alleles that occurs by chance when a few individuals leave a population and establish a new one
Difference between energy a plant stores as sugar during photosynthesis and the energy that a plant burns during respiration
States that biological growth will be limited by the nutrients that is depleted first as organisms grow and reproduce
Define: Founder Effect
Statistical error that arises when the subset of a population sampled is not representative of the population as a whole.
A particular kind of genetic drift, it is change in the frequencies of alleles that occurs by chance when a few individuals leave a population and establish a new one
Difference between energy a plant stores as sugar during photosynthesis and the energy that a plant burns during respiration
States that biological growth will be limited by the nutrients that is depleted first as organisms grow and reproduce
Define: Net Photosynthesis
Statistical error that arises when the subset of a population sampled is not representative of the population as a whole.
A particular kind of genetic drift, it is change in the frequencies of alleles that occurs by chance when a few individuals leave a population and establish a new one
Difference between energy a plant stores as sugar during photosynthesis and the energy that a plant burns during respiration
States that biological growth will be limited by the nutrients that is depleted first as organisms grow and reproduce
Define: Liebig's Law of the Minimum
Statistical error that arises when the subset of a population sampled is not representative of the population as a whole.
A particular kind of genetic drift, it is change in the frequencies of alleles that occurs by chance when a few individuals leave a population and establish a new one
Difference between energy a plant stores as sugar during photosynthesis and the energy that a plant burns during respiration
States that biological growth will be limited by the nutrients that is depleted first as organisms grow and reproduce
Define: Physiological Tolerance
The range of values of an environmental parameter (Temp, pH, etc.), over which an organism can survive
Range Shift
Acclimate
Pops adapting via evolving
Change in morphology/physiology of an organism
Can happen in an organisms lifetime
A genetically-determined trait that increases an individuals fitness
Happens over multiple Generations
3 Ways a species responds when faced with changing environments
The range of values of an environmental parameter (Temp, pH, etc.), over which an organism can survive
Range Shift
Acclimate
Pops adapting via evolving
Change in morphology/physiology of an organism
Can happen in an organisms lifetime
A genetically-determined trait that increases an individuals fitness
Happens over multiple Generations
Define: Acclimation
The range of values of an environmental parameter (Temp, pH, etc.), over which an organism can survive
Range Shift
Acclimate
Pops adapting via evolving
Change in morphology/physiology of an organism
Can happen in an organisms lifetime
A genetically-determined trait that increases an individuals fitness
Happens over multiple Generations
Define: Adaptation
The range of values of an environmental parameter (Temp, pH, etc.), over which an organism can survive
Range Shift
Acclimate
Pops adapting via evolving
Change in morphology/physiology of an organism
Can happen in an organisms lifetime
A genetically-determined trait that increases an individuals fitness
Happens over multiple Generations
Define: Fundamental Niche
The amount of work that a species could do within an environment
The amount of work that a species actually does within an environment
Change in morphology/physiology of an organism that can't be reversed
Self-regulation, species varying degree of how it's maintained
Tracks the state of a system by comparing it's inputs and outputs, measured in fluxes
Define: Realized Niche
The amount of work that a species could do within an environment
The amount of work that a species actually does within an environment
Change in morphology/physiology of an organism that can't be reversed
Self-regulation, species varying degree of how it's maintained
Tracks the state of a system by comparing it's inputs and outputs, measured in fluxes
Define: Irreversible Acclimation
The amount of work that a species could do within an environment
The amount of work that a species actually does within an environment
Change in morphology/physiology of an organism that can't be reversed
Self-regulation, species varying degree of how it's maintained
Tracks the state of a system by comparing it's inputs and outputs, measured in fluxes
Define: Homeostasis
The amount of work that a species could do within an environment
The amount of work that a species actually does within an environment
Change in morphology/physiology of an organism that can't be reversed
Self-regulation, species varying degree of how it's maintained
Tracks the state of a system by comparing it's inputs and outputs, measured in fluxes
Define: Budget
The amount of work that a species could do within an environment
The amount of work that a species actually does within an environment
Change in morphology/physiology of an organism that can't be reversed
Self-regulation, species varying degree of how it's maintained
Tracks the state of a system by comparing it's inputs and outputs, measured in fluxes
Define: Activity Curve
A graph that shows enzyme activity
A substance that lowers the activation energy of a chemical reaction, but is not itself consumed in the reaction
Inputs-Outputs
If ____ = 0 the organism is maintaining homeostasis, if _____ > 0 organism is gaining water and if ____ < 0 the organism is losing water
Water produced when carbs (sugar), proteins, or fats are broken down by an organism
Define: Catalyst
A graph that shows enzyme activity
A substance that lowers the activation energy of a chemical reaction, but is not itself consumed in the reaction
Inputs-Outputs
If ____ = 0 the organism is maintaining homeostasis, if _____ > 0 organism is gaining water and if ____ < 0 the organism is losing water
Water produced when carbs (sugar), proteins, or fats are broken down by an organism
Define: Net Water Balance Wnet
A graph that shows enzyme activity
A substance that lowers the activation energy of a chemical reaction, but is not itself consumed in the reaction
Inputs-Outputs
If ____ = 0 the organism is maintaining homeostasis, if _____ > 0 organism is gaining water and if ____ < 0 the organism is losing water
Water produced when carbs (sugar), proteins, or fats are broken down by an organism
Define: Metabolic Water
A graph that shows enzyme activity
A substance that lowers the activation energy of a chemical reaction, but is not itself consumed in the reaction
Inputs-Outputs
If ____ = 0 the organism is maintaining homeostasis, if _____ > 0 organism is gaining water and if ____ < 0 the organism is losing water
Water produced when carbs (sugar), proteins, or fats are broken down by an organism
What are the Inputs and Outputs for Water balance?
Inputs
Ingestion
Metabolic Water
Osmotic Exchange
Inputs
Secretion
Evaporative Loss
Osmotic Exchange
Outputs
Ingestion
Metabolic Water
Osmotic Exchange
Outputs
Secretion
Evaporative Loss
Osmotic Exchange
Secretions In-depth: Waste that's expelled
Nitrogenous Wastes:
Produced when Amino Acids that form proteins are broken down in an animals liver
Metabolic Byproducts
Excess Salts
Sugar
Lipids (Fats)
Toxins
Undigested Food
Secretions In-depth: How do most Terrestrial Mammals expel the wastes
Rely on kidneys to concentrate urea and salt discharged in urine
Similar kidneys but expel uric acid with feces
Use gills + kidneys to maintain salt balance and to remove nitrogenous waste, usually discharged as ammonia
Produce highly concentrated urine and very dry feces, due to the scarcity of freshwater
Produce urine with a higher salt concentration that that of what they ingest (Unless ur a S . O)
Secretions In-depth: How do most Dessert Mammals expel the wastes
Rely on kidneys to concentrate urea and salt discharged in urine
Similar kidneys but expel uric acid with feces
Use gills + kidneys to maintain salt balance and to remove nitrogenous waste, usually discharged as ammonia
Produce highly concentrated urine and very dry feces, due to the scarcity of freshwater
Produce urine with a higher salt concentration that that of what they ingest (Unless ur a S . O)
Secretions In-depth: How do most Marine Mammals expel the wastes
Rely on kidneys to concentrate urea and salt discharged in urine
Similar kidneys but expel uric acid with feces
Use gills + kidneys to maintain salt balance and to remove nitrogenous waste, usually discharged as ammonia
Produce highly concentrated urine and very dry feces, due to the scarcity of freshwater
Produce urine with a higher salt concentration that that of what they ingest (Unless ur a S . O)
Secretions In-depth: How do most Birds expel the wastes
Rely on kidneys to concentrate urea and salt discharged in urine
Similar kidneys to mammals but expel uric acid with feces
Use gills + kidneys to maintain salt balance and to remove nitrogenous waste, usually discharged as ammonia
Produce highly concentrated urine and very dry feces, due to the scarcity of freshwater
Produce urine with a higher salt concentration that that of what they ingest (Unless ur a S . O)
Secretions In-depth: How do most Fish expel the wastes
Rely on kidneys to concentrate urea and salt discharged in urine
Similar kidneys to mammals but expel uric acid with feces
Use gills + kidneys to maintain salt balance and to remove nitrogenous waste, usually discharged as ammonia
Produce highly concentrated urine and very dry feces, due to the scarcity of freshwater
Produce urine with a higher salt concentration that that of what they ingest (Unless ur a S . O)
Define: Heat Balance
Rate at which an organism accumulates/loses heat
Inputs-Outputs
_____ = 0 homeostasis, ______ > 0 warming, _____ < 0 cooling
An organism whose body temp fluctuates (Most terrestrial invert)
An organism that maintains a relatively stable, constant body temp (Polar marine Fish and most inverts)
An organism whose body temp is primarily determined by internally-generated metabolic heat (Most land birds and mammals)
Define: Poikilotherm
Rate at which an organism accumulates/loses heat
Inputs-Outputs
_____ = 0 homeostasis, ______ > 0 warming, _____ < 0 cooling
An organism whose body temp fluctuates (Most terrestrial invert)
An organism that maintains a relatively stable, constant body temp (Polar marine Fish and most inverts)
An organism whose body temp is primarily determined by internally-generated metabolic heat (Most land birds and mammals)
Define: Endotherm
Rate at which an organism accumulates/loses heat
Inputs-Outputs
_____ = 0 homeostasis, ______ > 0 warming, _____ < 0 cooling
An organism whose body temp fluctuates (Most terrestrial invert)
An organism that maintains a relatively stable, constant body temp (Polar marine Fish and most inverts)
An organism whose body temp is primarily determined by internally-generated metabolic heat (Most land birds and mammals)
An organism whose body temp is primarily determined by heat from it's environment (Amphibians and Reptiles)
Define: Ectotherms
Rate at which an organism accumulates/loses heat
Inputs-Outputs
_____ = 0 homeostasis, ______ > 0 warming, _____ < 0 cooling
An organism whose body temp fluctuates (Most terrestrial invert)
An organism that maintains a relatively stable, constant body temp (Polar marine Fish and most inverts)
An organism whose body temp is primarily determined by internally-generated metabolic heat (Most land birds and mammals)
An organism whose body temp is primarily determined by heat from it's environment (Amphibians and Reptiles)
Define: Homeotherms
Rate at which an organism accumulates/loses heat
Inputs-Outputs
_____ = 0 homeostasis, ______ > 0 warming, _____ < 0 cooling
An organism whose body temp fluctuates (Most terrestrial invert)
An organism that maintains a relatively stable, constant body temp (Polar marine Fish and most inverts)
An organism whose body temp is primarily determined by internally-generated metabolic heat (Most land birds and mammals)
An organism whose body temp is primarily determined by heat from it's environment (Amphibians and Reptiles)
Inputs and Outputs of Heat
Inputs
Absorbed Solar Radiation
Metabolic Heat
Absorbed Thermal Heat
Conduction
Convection
Inputs
Emitted Thermal Radiation
Conduction
Convection
Evaporative Cooling
Outputs
Absorbed Solar radiation
Metabolic Heat
Absorbed Thermal Heat
Conduction
Convection
Outputs
Emitted Thermal Radiation
Conduction
Convection
Evaporative Cooling
Define: Emissivity
The ratio of energy radiated from the surface of an object to that radiated from a black body
Two or more object trying to maintain the same temp
(Slowed down by Blubber and layers)
Heat transferred by moving fluids like air/water
Exchange heat between hot and cold fluids flowing in opposite directions
<-- Cool Venous Blood
Warm Artery Blood -->
<-- Cool Venous Blood
Define: Concurrent Heat Exchange
The ratio of energy radiated from the surface of an object to that radiated from a black body
Two or more object trying to maintain the same temp
(Slowed down by Blubber and layers)
Heat transferred by moving fluids like air/water
Exchange heat between hot and cold fluids flowing in opposite directions
<-- Cool Venous Blood
Warm Artery Blood -->
<-- Cool Venous Blood
Define: Convection
The ratio of energy radiated from the surface of an object to that radiated from a black body
Two or more object trying to maintain the same temp
(Slowed down by Blubber and layers)
Heat transferred by moving fluids like air/water
Exchange heat between hot and cold fluids flowing in opposite directions
<-- Cool Venous Blood
Warm Artery Blood -->
<-- Cool Venous Blood
Define: Conduction
The ratio of energy radiated from the surface of an object to that radiated from a black body
Two or more object trying to maintain the same temp
(Slowed down by Blubber and layers)
Heat transferred by moving fluids like air/water
Exchange heat between hot and cold fluids flowing in opposite directions
<-- Cool Venous Blood
Warm Artery Blood -->
<-- Cool Venous Blood
Define: Latent Heat
Heat released or absorbed when chemicals change phase from solid -> liquid / liquid ->gas
Heat lost from a system when the heat is used to convert liquid water to water vapor
Evaporation of water from the interior surface of a leaf and subsequent diffusion of water vapor through an open stoma into the surrounding atmosphere
The ratio of the amount of water vapor actually present in the air to the maximum amount of water vapor the air could hold at a given temp
Define: Evaporative Cooling
Heat released or absorbed when chemicals change phase from solid -> liquid / liquid ->gas
Heat lost from a system when the heat is used to convert liquid water to water vapor
Evaporation of water from the interior surface of a leaf and subsequent diffusion of water vapor through an open stoma into the surrounding atmosphere
The ratio of the amount of water vapor actually present in the air to the maximum amount of water vapor the air could hold at a given temp
Define: Transpiration
Heat released or absorbed when chemicals change phase from solid -> liquid / liquid ->gas
Heat lost from a system when the heat is used to convert liquid water to water vapor
Evaporation of water from the interior surface of a leaf and subsequent diffusion of water vapor through an open stoma into the surrounding atmosphere
The ratio of the amount of water vapor actually present in the air to the maximum amount of water vapor the air could hold at a given temp
Define: Relative Humidity
Heat released or absorbed when chemicals change phase from solid -> liquid / liquid ->gas
Heat lost from a system when the heat is used to convert liquid water to water vapor
Evaporation of water from the interior surface of a leaf and subsequent diffusion of water vapor through an open stoma into the surrounding atmosphere
The ratio of the amount of water vapor actually present in the air to the maximum amount of water vapor the air could hold at a given temp
4 Main Functions of Transpiration
Supplying water directly needed for photosynthesis
Providing water that can be lost to the air as carbon dioxide is acquired
Evaporative cooling during hot weather
Transporting nutrients from roots to all other tissues
Water gained through respiration is then transpired and used to collect carbon dioxide
Define: Cavitation
Formation of air bubbles in the xylem of a plant due to too much water tension during transpiration
More compact soils increase _____
More salty water increase _____
The mass of water vapor per unit mass of air
Slows Transpiration
Increases transpiration, before around 20% where it stops and an air bubble forms to stop the flow
Define: Specific Humidity
Formation of air bubbles in the xylem of a plant due to too much water tension during transpiration
More compact soils increase _____
More salty water increase _____
The mass of water vapor per unit mass of air
Slows Transpiration
Increases transpiration, before around 20% where it stops and an air bubble forms to stop the flow
Define: High humidity
Formation of air bubbles in the xylem of a plant due to too much water tension during transpiration
More compact soils increase _____
More salty water increase _____
The mass of water vapor per unit mass of air
Slows Transpiration
Increases transpiration, before around 20% where it stops and an air bubble forms to stop the flow
Define: Low humidity
Formation of air bubbles in the xylem of a plant due to too much water tension during transpiration
More compact soils increase _____
More salty water increase _____
The mass of water vapor per unit mass of air
Slows Transpiration
Increases transpiration, before around 20% where it stops and an air bubble forms to stop the flow
Define: Kranz Anatomy
Specialized anatomy of plants relying on C4 photosynthesis
A layer of specialized cells wrapped around the veins of the leaves of C4 plants
Crassulacean acid metabolism photosynthesis is one of three common photosynthetic pathways
Occurs when excess nutrients, commonly nitrogen and phosphorus (Most limited nutrient) are added to an aquatic system
Define: Bundle Sheath
Specialized anatomy of plants relying on C4 photosynthesis
A layer of specialized cells wrapped around the veins of the leaves of C4 plants
Crassulacean acid metabolism photosynthesis is one of three common photosynthetic pathways
Occurs when excess nutrients, commonly nitrogen and phosphorus (Most limited nutrient) are added to an aquatic system
Define: CAM photsynthesis
Specialized anatomy of plants relying on C4 photosynthesis
Allows plants to concentrate carbon dioxide without losing much water, and thus it is most common dry environments
The most energy efficient pathway in cooler environments, 90% of plants are
Occurs when excess nutrients, commonly nitrogen and phosphorus (Most limited nutrient) are added to an aquatic system
Allows plants to concentrate carbon dioxide without losing a lot of water and thus us the most common in hot environments, 3% of a plants
Define: C3 Photosynthesis
Specialized anatomy of plants relying on C4 photosynthesis
Allows plants to concentrate carbon dioxide without losing much water, and thus it is most common dry environments
The most energy efficient pathway in cooler environments, 90% of plants
Occurs when excess nutrients, commonly nitrogen and phosphorus (Most limited nutrient) are added to an aquatic system
Allows plants to concentrate carbon dioxide without losing a lot of water and thus us the most common in hot environments, 3% of a plants
Define: C4 Photosynthesis
Specialized anatomy of plants relying on C4 photosynthesis
Allows plants to concentrate carbon dioxide without losing much water, and thus it is most common dry environments
The most energy efficient pathway in cooler environments, 90% of plants
Occurs when excess nutrients, commonly nitrogen and phosphorus (Most limited nutrient) are added to an aquatic system
Allows plants to concentrate carbon dioxide without losing a lot of water and thus us the most common in hot environments, 3% of a plants
Define: Nutrient Pollution
Specialized anatomy of plants relying on C4 photosynthesis
A layer of specialized cells wrapped around the veins of the leaves of C4 plants
Crassulacean acid metabolism photosynthesis is one of three common photosynthetic pathways
Occurs when excess nutrients, commonly nitrogen and phosphorus (Most limited nutrient) are added to an aquatic system
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Define: Eutrophication
When water bodies receive large inputs of nutrients stimulating excessive primary production
Creation of new biomass synthesis from inorganic molecules
Creation of new biomass from existing organic matter
Form of autotropism where an inorganic compounds is oxidized to produce energy
A phenomenon of large Salt Water bodies forming layers
Define: Primary Production
When water bodies receive large inputs of nutrients stimulating excessive primary production
Creation of new biomass synthesis from inorganic molecules
Creation of new biomass from existing organic matter
Form of autotropism where an inorganic compounds is oxidized to produce energy
A phenomenon of large Salt Water bodies forming layers
Define: Secondary Production
When water bodies receive large inputs of nutrients stimulating excessive primary production
Creation of new biomass synthesis from inorganic molecules
Creation of new biomass from existing organic matter
Form of autotropism where an inorganic compounds is oxidized to produce energy
A phenomenon of large Salt Water bodies forming layers
Define: Chemoautotroph
When water bodies receive large inputs of nutrients stimulating excessive primary production
Creation of new biomass synthesis from inorganic molecules
Creation of new biomass from existing organic matter
Form of autotropism where an inorganic compounds is oxidized to produce energy
A phenomenon of large Salt Water bodies forming layers
Define: Ocean Stratification
When water bodies receive large inputs of nutrients stimulating excessive primary production
Creation of new biomass synthesis from inorganic molecules
Creation of new biomass from existing organic matter
Form of autotropism where an inorganic compounds is oxidized to produce energy
A phenomenon of large Salt Water bodies forming layers
Define: Biomolecules
Organic molecules synthesized by living organisms
Nutrients required in large amounts for an organism to grow
Cyclic movement of a nutrient between the organic and inorganic populations of an ecosystem
Define: Macronutrients
Organic molecules synthesized by living organisms
Nutrients required in large amounts for an organism to grow
Cyclic movement of a nutrient between the organic and inorganic populations of an ecosystem
Define: Nutrient cycle
Organic molecules synthesized by living organisms
Nutrients required in large amounts for an organism to grow
Cyclic movement of a nutrient between the organic and inorganic populations of an ecosystem
What are the 4 main classes of biomolecules
Proteins - Made of Hydrogen, Carbon, Nitrogen, Oxygen, and Sulfur
Carbohydrates - Made of Carbon, Hydrogen, and Oxygen
Lipids - Made of Hydrogen, Carbon, Oxygen, and Phosphorous
Nucleic Acids - Made of Hydrogen, Carbon Nitrogen, Oxygen, and Phosphorous
Fiber - Made of Carbon, Oxygen, Nitrogen, and Phosphorous
What are the Six Macronutrients?
Carbon
Hydrogen
Nitrogen
Phosphorous
Sodium
Chlorine
Sulfur
Oxygen
Boron
Copper
What are the 3 critical carbon pools?
Atmospheric Carbon Dioxide
Animal based Carbon
Plant Carbon
Soil Carbon
Oceanic Carbon
What are the 4 Carbon Fluxes?
Photosynthesis
Plant Respiration
Decomposition
Soil Respiration
Litterfall
Define: Micronutrients
Nutrients required only in small amounts for an organism to grow
Study of Lakes
A single definable point of pollution, ex. sewer pipe
The difference between the total flux of nutrients into a system and the total flux out
Storage rate = Total flux in - Total flux out
Define: Limonology
Nutrients required only in small amounts for an organism to grow
Study of Lakes
A single definable point of pollution, ex. sewer pipe
The difference between the total flux of nutrients into a system and the total flux out
Storage rate = Total flux in - Total flux out
Define: Point source
Nutrients required only in small amounts for an organism to grow
Study of Lakes
A single definable point of pollution, ex. sewer pipe
The difference between the total flux of nutrients into a system and the total flux out
Storage rate = Total flux in - Total flux out
Define: Storage Rate
Nutrients required only in small amounts for an organism to grow
Study of Lakes
A single definable point of pollution, ex. sewer pipe
The difference between the total flux of nutrients into a system and the total flux out
Storage rate = Total flux in - Total flux out
Define: Residence time
The average length of time an entire such as water molecule or nitrogen atom resides in a pool
Difference between GPP and respiration
Rate at which new organic matter is synthesized by autotrophs
Bioavailable nutrients, sometime called mineral nutrients over chemical species that can readily be take and used by plants and microbes
Define: Net Primary Production (NPP)
The average length of time an entire such as water molecule or nitrogen atom resides in a pool
Difference between GPP and respiration
Rate at which new organic matter is synthesized by autotrophs
Bioavailable nutrients, sometime called mineral nutrients over chemical species that can readily be take and used by plants and microbes
Define: Bioavailable nutrients
The average length of time an entire such as water molecule or nitrogen atom resides in a pool
Difference between GPP and respiration
Rate at which new organic matter is synthesized by autotrophs
Bioavailable nutrients, sometime called mineral nutrients over chemical species that can readily be take and used by plants and microbes
Inorganic Phosphorous occurs the most in _____
Rocks
Dinitrogen Gas
Inorganic Nitrogen occurs the most in _____
Rocks
Dinitrogen Gas
Define: Nitrification
Rate at which bacteria converts NH4+ -> NO3-
Rate at which bacteria converts NO3- ->N2
N2 -> NH4+, used by organic organisms to build biomolecules
NO3- from terrestrial water
NH4+ + OH- -> NH3
Define: Denitrification
Rate at which bacteria converts NH4+ -> NO3-
Rate at which bacteria converts NO3- ->N2
N2 -> NH4+, used by organic organisms to build biomolecules
NO3- from terrestrial water
NH4+ + OH- -> NH3
Define: N-Fixation
Rate at which bacteria converts NH4+ -> NO3-
Rate at which bacteria converts NO3- ->N2
N2 -> NH4+, used by organic organisms to build biomolecules
NO3- from terrestrial water
NH4+ + OH- -> NH3
Define: Leaching
Rate at which bacteria converts NH4+ -> NO3-
Rate at which bacteria converts NO3- ->N2
N2 -> NH4+, used by organic organisms to build biomolecules
NO3- from terrestrial water
NH4+ + OH- -> NH3
Define: Volatilzation
Rate at which bacteria converts NH4+ -> NO3-
Rate at which bacteria converts NO3- ->N2
N2 -> NH4+, used by organic organisms to build biomolecules
NO3- from terrestrial water
NH4+ + OH- -> NH3
Define: Biological Nitrogen fixation
Most important source of NH4+ in most ecosystems
Breaks N2 triple bonds
Humans NH4+ and NO3-
Define: Lightening
Most important source of NH4+ in most ecosystems
Breaks N2 triple bonds
Humans NH4+ and NO3-
Define: Anthropogenic N-Fixation
Most important source of NH4+ in most ecosystems
Breaks N2 triple bonds
Humans NH4+ and NO3-
Define: Acid Rain
Rainfall that's more acidic (Lower pH) than normal, NO + SO2
Area drained by a particular stream or river bounded by a hydrologic system
Study of water on earth and in the atmosphere
Differences between certain focal inputs and streams outputs for a nutrient
Retention Rate = Focal inputs - Stream outputs
% of a nutrient input that an ecosystem retains
Define: Watershed
Rainfall that's more acidic (Lower pH) than normal, NO + SO2
Area drained by a particular stream or river bounded by a hydrologic system
Study of water on earth and in the atmosphere
Differences between certain focal inputs and streams outputs for a nutrient
Retention Rate = Focal inputs - Stream outputs
% of a nutrient input that an ecosystem retains
Define: Hydrology
Rainfall that's more acidic (Lower pH) than normal, NO + SO2
Area drained by a particular stream or river bounded by a hydrologic system
Study of water on earth and in the atmosphere
Differences between certain focal inputs and streams outputs for a nutrient
Retention Rate = Focal inputs - Stream outputs
% of a nutrient input that an ecosystem retains
Define: Retention rate
Rainfall that's more acidic (Lower pH) than normal, NO + SO2
Area drained by a particular stream or river bounded by a hydrologic system
Study of water on earth and in the atmosphere
Differences between certain focal inputs and streams outputs for a nutrient
_______ = Focal inputs - Stream outputs
% of a nutrient input that an ecosystem retains
Define: Retention Efficiency
Rainfall that's more acidic (Lower pH) than normal, NO + SO2
Area drained by a particular stream or river bounded by a hydrologic system
Study of water on earth and in the atmosphere
Differences between certain focal inputs and streams outputs for a nutrient
_______ = Focal inputs - Stream outputs
% of a nutrient input that an ecosystem retains
Define: Infiltration
Gravitational movement of water into soil
Receive inputs or nutrients from another ecosystem
Gases that trap heat in the atmosphere
Undergoes an initial change which then produces an output which then becomes a subsequent input operating in the same direction as the initial change
Undergoes an initial change which then produces an output which then becomes a subsequent input operating in the opposite direction as the initial change
Define: Green House Gases
Gravitational movement of water into soil
Receive inputs or nutrients from another ecosystem
Gases that trap heat in the atmosphere
Undergoes an initial change which then produces an output which then becomes a subsequent input operating in the same direction as the initial change
Undergoes an initial change which then produces an output which then becomes a subsequent input operating in the opposite direction as the initial change
Define: Recipient Ecosystem
Gravitational movement of water into soil
Receive inputs or nutrients from another ecosystem
Gases that trap heat in the atmosphere
Undergoes an initial change which then produces an output which then becomes a subsequent input operating in the same direction as the initial change
Undergoes an initial change which then produces an output which then becomes a subsequent input operating in the opposite direction as the initial change
Define: Positive Feedback System
Gravitational movement of water into soil
Receive inputs or nutrients from another ecosystem
Gases that trap heat in the atmosphere
Undergoes an initial change which then produces an output which then becomes a subsequent input operating in the same direction as the initial change
Undergoes an initial change which then produces an output which then becomes a subsequent input operating in the opposite direction as the initial change
Define: Negative Feedback System
Gravitational movement of water into soil
Receive inputs or nutrients from another ecosystem
Gases that trap heat in the atmosphere
Undergoes an initial change which then produces an output which then becomes a subsequent input operating in the same direction as the initial change
Undergoes an initial change which then produces an output which then becomes a subsequent input operating in the opposite direction as the initial change
Define: Global Biochemical Cycle
Movement of chemical, element, nutrients, between earths biotic, and it's geological, or inorganic pools, are closed cycles
Nutrient Cycling within the earths atmosphere
Encompasses rocks, sediments, underlying the terrestrial and oceanic subsystems
Compromised of land surfaces, Fresh Water ecosystems, and all organisms within
Encompasses earths oceans and all organisms living within
What are the 4 Subsystems
Movement of chemical, element, nutrients, between earths biotic, and it's geological, or inorganic pools, are closed cycles
Nutrient Cycling within the earths atmosphere
Encompasses rocks, sediments, underlying the terrestrial and oceanic subsystems
Compromised of land surfaces, Fresh Water ecosystems, and all organisms within
Encompasses earths oceans and all organisms living within
What is the largest Phosphorous reserve
Geological Subsystem
Oceanic Subsystem
Atmospheric Subsystem
Nutrients are able to be moved in and out
Nutrients aren't able to move in or out
What is the largest Carbon reserve
Geological Subsystem
Oceanic Subsystem
Atmospheric Subsystem
Nutrients are able to be moved in and out
Nutrients aren't able to move in or out
What is the largest Nitrogen reserve
Geological Subsystem
Oceanic Subsystem
Atmospheric Subsystem
Nutrients are able to be moved in and out
Nutrients aren't able to move in or out
Define: Open System
Geological Subsystem
Oceanic Subsystem
Atmospheric Subsystem
Nutrients are able to be moved in and out
Nutrients aren't able to move in or out
Define: Closed System
Geological Subsystem
Oceanic Subsystem
Atmospheric Subsystem
Nutrients are able to be moved in and out
Nutrients aren't able to move in or out
