WorksheetsEnviromental Science midterm Exam
Total questions: 238
Worksheet time: 3hrs 26mins
Hardins Tragedy of the commons essay addressed conflicts associated with which environmental challenge?
preventing pollution
preserving biodiversity
curbing overpopulation
protecting shared resources
Most of today's environmental problems began during which period(s) in human history?
agricultural revolution
hunters and gatherers period
industrial revolution
all era's
Environmental Science is a study of which types of interactions between humans and the environment?
how humans use natural resources
how human beings relate to nonliving environment
how humans actions alter the environment
all of the above
Which of the following is studied in environmental science?
interactions between living organisms and their nonliving environment
impact of humans on the environment
interactions between organisms
all of the above
Population growth in the 20th century accelerated which environmental stress(es)?
resource depletion
pollution
habitat destruction
all of the above
Using economic considerations or resource use, the law of supply and demand describes the
availability of abundant resources
relationship between the availability and the worth or resources
worth of nonrenewable resources
reduced demand resulting from lack of available resources
Compared with their counterparts in developed countries, individuals in developing nations typically have a
higher standard of living
larger ecological footprint
shorter life span
greater dependence on fossil fuels
Achieving a sustainable world is a goal that will depend on
responsible consumption by developed countries
a higher standard of living in developing countries
cooperation between governments, industry and citizens
both (a) and (c)
Which was not a result of the industrial revolution?
increased pollution
loss of natural environment
increase in quality of living
over hunting of large mammals
According to the law of supply and demand, reduced copper production leads to
lower demand for copper
lower copper prices
higher prices for copper
exploration of new metal sources
The study of the natural processes that occur in the environment and how humans can affect them.
ecology
environmental science
law of supply and demand
biodiversity
Release of harmful materials into the environment
pollution
biodegradable
ecology
agriculture
the variety of life in the world or in a particular habitat or ecosystem.
developed nation
ecology
biodiversity
sustainability
A law which states that when supplies of goods and services become plentiful, prices tend to drop. When supplies become scarcer, prices tend to rise.
loss of biodiversity
supply and demand
tragedy of commons
ecology
Scientific study of interactions among organisms and between organisms and their environment
ecology
environmental science
renewable resource
agriculture
The ability to keep in existence or maintain. A sustainable ecosystem is one that can be maintained
agriculture
sustainability
ecology
supply and demand
A measure of how much an individual consumes, expressed in area of land
developing nation
ecological footprint
agriculture
loss of biodiversity
Raw materials supplied by nature
renewable resource
non renewable resouce
natural resource
sustainability
the science or practice of farming, including cultivation of the soil for the growing of crops and the rearing of animals to provide food, wool, and other products.
sustainability
agriculture
ecology
loss of biodiversity
Biodiversity is one key to the long-term sustainability of life on Earth
True
False
Using natural resources is considered a sustainable practice because most natural resources are in limitless supply and cannot be degraded or depleted.
True
False
Ecosystem services are services that are supplied by humans for the environment.
True
False
In a healthy, functioning ecosystem, chemicals and nutrients are constantly recycled and reused.
True
False
One of the main goals of environmental science is to help humans use the environment in a way that is economically profitable.
True
False
Point sources of pollution are dispersed and often difficult to identify.
True
False
The average individual ecological footprint varies between areas and countries.
True
False
The most effective way to deal with pollution is to focus on cleanup efforts.
True
False
The human population is growing at a steady rate.
True
False
Affluence (wealth) has only harmful environmental effects.
True
False
A human-centered worldview states that humans, as the owners of Earth, can treat resources as they see fit.
True
False
People with differing environmental worldviews may view the same data about environmental issues but draw different conclusions about how best to act in a response to the data.
True
False
President Theodore Roosevelt played a major role in the conservation movement in the early 20th century.
True
False
As a society, living sustainability means protecting Earth's natural capital and living on its natural income.
True
False
Preservation focuses mainly on preserving resources so that they can be used by people.
True
False
The environment contains
living things
nonliving things
both living and non living
artificial things
Which of the following is NOT an example of a natural resource?
coal
sunlight
timber
plastic
Which of the following is ALWAYS a nonrenewable natural resource?
wind
freshwater
oil
soil
At the start of the Industrial Revolution, about 10,000 years ago, humans began planting crops and domesticating animals.
True
False
____ is the condition in which humans needs are met in such a way that a human population can survive indefinitely at a standard of living similar to the current one
Law of supply and demand
Conceptual model
Natural resources
Sustainability
___ Is the practice of growing, breeding, and caring for plants and animals that are used for food, clothing, and other purposes
Ecology
Environmental science
Agriculture
Biodiversity
Any natural material that is used by humans is called a ___
natural resource.
agriculture.
animal domestication
consumption
A field called ___, the study of the environment that includes the physical, biological, and social sciences
ecology
biodiversity
environmental science
natural science
___ is the study of how living things interact with each other and their nonliving environment.
Enivormental science
Ecology
Chemistry
Biology
____ refers to the number and variety of species that live in an area
Population
Natural resources
Ecoloty
Biodiversity
___ is an undesired change in air, water, or soil that adversely affects the health, survival, or activities of humans or other organisms
Sustainability
Natural resources
Population
agriculture
What is the name of Georgia's largest monadnock?
Lake Lanier
fall line
pole cat
Stone Mt.
What is the name of the Georgia State insect.
Wasp
Lady Bug
Honey Bee
Dragon fly
What is the name of the Georgia State Tree?
Live Oak
Pine Tree
Magnolia
Peach Tree
What is the name of the Georgia State Reptile
Gator
Gopher Tortoise
Rat snake
Beaver
The common name for Asclepias Tuberosa?
sea turtle
pole cat
chrysalis
milkweed
What percent of species will be gone in 100 years?
10%
25%
50%
75%
1/3 to 1/2 of all C02 gets absorbed by our?
radiation
sunlight
species
oceans
Under the frozen ocean are vast quantities of?
Ethane
Gold
methane
iron ore
Scientist believe that there have been ___ mass extinctions, and we are currently creating the ___?
3,4
4,5
5,6
6,7
An __ shows the productive area of Earth needed to support on person in a particular country
environment
habitat
sustainability
ecological footprint
What are the main layers of Earth from outermost to innermost?
Crust, Mantle, Inner Core, Outer Core
Inner Core, Outer Core, Mantle Crust
Crust, Mantle, Outer Core, Inner Core
Crust, Outer Core, Mantle, Inner Core
Mrs. Smith's performed a scratch test using her fingernail, a copper penny, glass, and a steel nail. Which property is Mrs. Smith testing?
streak
cleavage
fracture
hardness
Rocks filled with fish fossils and dinosaur tracks are MOST LIKELY
igneous
intrusive
metamorphic
sedimentary
The Mohs hardness scale lists the ten common minerals, from softest to hardest. Tyler's teacher wants him to find the hardness of a diamond, which can scratch ALL other minerals. The diamond would have a hardness of
1
5
7
10
Which of the following causes Earth's tectonic plates to move?
Energy from the Sun
Magnetic Pole Reversal
Convection currents in the mantle
Faults in Mountain Ranges
Coal
Non-renewable
Renewable
Hydro-electric Power
Non-renewable
Renewable
Natural Gas
Non-renewable
Renewable
Solar
Non-renewable
Renewable
What are the 3 main types of fossil fuels?
Coal, Natural Gas, and Oil
Natural Gas, Uranium, Oil
Oil, Natural Gas, Solar
Coal, Petroleum, Wind
What is renewable energy?
Sources of energy that will take years to deplete.
Sources of energy that humans can manufacture.
Sources of energy that are constantly being formed.
Sources of energy that were once living organisms.
Energy that uses heat from within the earth is ____.
Nuclear
Geothermal
Wind
Solar
The atmosphere is divided into 4 main layers. Each layer has unique physical properties. Which is true about the Stratosphere?
Weather occurs here.
The Stratosphere is below the Troposphere.
The Stratosphere has the Ozone layer with a 3-atom molecule of oxygen.
The Space Shuttle flies in this layer.
What layer is between the Stratosphere and Thermosphere?
Troposphere
Exosphere
Mesosphere
Ozone layer
The gases that make up the Earth’s atmosphere are commonly called air. What percentage of the air is made up of nitrogen?
1%
21%
78%
99%
What happens in the Mesosphere?
Man can fly in this layer.
There are just a few clouds in this layer.
Meteors can be seen.
Satellites revolve around the Earth in this layer.
Which layer has many clouds and is where weather occurs?
Mesosphere
Thermosphere
Stratosphere
Troposphere
Which layer is the hottest and has the ionosphere which is the component that makes the Aurora Borealis or Northern Lights?
Stratosphere
Thermosphere
Troposphere
Mesosphere
What happens to density in the atmosphere the higher you go in altitude?
Density decreases the higher you go in altitude.
Density increases the higher you go in altitude.
Density stays the same no matter how high you go in the atmosphere.
Density increases and decreases, going back and forth, as you go higher in altitude.
What happens to air pressure the higher you go in the atmosphere?
Air pressure decreases as you go higher in altitude.
Air pressure increases as you go higher in altitude.
Air pressure increases and decreases as you go higher in altitude.
Air pressure stays the same as you go higher in altitude.
Which layer is the outermost layer of the Earth’s atmosphere with the least density?
Exosphere
Stratosphere
Mesosphere
Troposphere
First Layer of the Atmosphere
Mesosphere
Troposphere
Thermosphere
Stratosphere
Second layer of the Atmosphere
Troposphere
Mesosphere
Thermosphere
Stratosphere
Third layer of the atmosphere
Stratosphere
Thermosphere
Mesosphere
Troposphere
Fourth layer of the atmosphere
Thermosphere
Mesosphere
Stratosphere
Troposphere
The Layer of the atmosphere were most meteors burn up.
troposphere
stratosphere
mesosphere
thermosphere
The layer of the atmosphere that contains weather.
troposphere
stratosphere
mesosphere
thermosphere
The layer of the atmosphere that is farthest from Earth and is used by orbiting satellites.
troposphere
stratosphere
mesosphere
thermosphere
In which layer of the atmosphere is air pressure the highest?
troposphere
stratosphere
mesosphere
thermosphere
Which of the following is NOT a protection provided by the layers of Earth's atmosphere?
the reduction of the Sun's harmful rays reaching living organisms on Earth
the burning of objects from space before they reach the surface of Earth
the maintenance of a stable temperature suitable for life on Earth
the creation of seasons that allow temperature changes on Earth
Why is Earth's surface rarely hit by large objects from space, such as meteors?
Because Earth has such a dense atmosphere, friction causes most objects to burn up before they reach Earth's surface.
Because Earth's atmosphere is able to catch most objects like a volleyball net, and it bounces these objects back into space.
Because Earth's atmosphere has so much water vapor that it dissolves most objects that travel toward Earth.
Because Earth's atmosphere is magnetic and it repels all objects that try to travel toward Earth.
How does Oxygen in the atmosphere support life of Earth?
It forms nutrients for plants by condensing and falling to the ground.
It provides the gravity that all things need to keep from floating away.
It creates cool temperatures on Earth by reflecting the Sun's rays.
It provides the air necessary for the survival of living organisms.
Why do temperatures in the stratosphere increase with altitude?
because ozone REFLECTS energy from the sun
because ozone ABSORBS energy from the sun
because meteors break up
because meteors absorb the energy from the sun
In which layer of the atmosphere is air pressure the lowest?
troposphere
stratosphere
mesosphere
thermosphere
Is wind a biotic or abiotic factor?
biotic
abiotic
Is predation a biotic or abiotic factor?
biotic
abiotic
Select the BIOTIC factors
Rain
Prey
Humans hunting
Tornados
What is biodiversity?
The variety of organisms that live somewhere
The population size
The number of a specific organism in an ecosystem
Why is biodiversity in an ecosystem so important?
Because it can help humans where to determine good places to develop farm land.
Because places that have a healthy biodiversity are unaffected by major disturbances.
Because having a high biodiversity allows ecosystems to withstand major changes.
Because having a high biodiversity allows for fewer opportunities of competition for similar resources.
Which acronym represents the threats to biodiversity?
HIPPA
HIPPO
HIPCA
HAPPY
What does the H in HIPPO stand for?
habitat loss
overharvesting
habitat restoration
health decline
Nonnative sea lampreys invading the Great lakes and decreasing fish populations is an example of what part of HIPPO?
invasive species - the I in HIPPO
overharvesting - the O in HIPPO
none of these
pollution - one of the Ps in HIPPO
Deforestation is an example of which part of HIPPO?
habitat loss - the H in HIPPO
pollution - one of the Ps in HIPPO
invasive species - the I in HIPPO
none of these
How do invasive species threaten the survival of native organisms?
They outcompete native organisms for resources
They upset the hierarchy of diebacks within an ecosystem
They enhance the genetic diversity within an ecosystem and are therefore quite beneficial to native organisms
The causes of species extinction are summarized in the acronym HIPPO. What does the 'O' stand for?
Ocean acidification
Old growth forest destruction
Overharvesting
Organic agriculture
Great Biodiversity = Great Stability
True
False
What is genetic diversity?
the variety of living things in an area
the variety of DNA within a species
the similarities within a species
the similarities among species in an area
What is species diversity?
the different animals in an area
the different habitats in an area
the different plants in an area
the different living things (plants and animals) in an area
When human-made chemicals and garbage find their way into nature and harm the air, soil, and water it is called
pollution
habitat destruction
overexploitation
climate change
Which applies to this environmental problem:
As more people are added to the Earth, more resources are required to meet their needs.
Habitat Loss
Invasive Species
Pollution
Population Growth
Overconsumption
Which of these is NOT part of biodiversity?
species diversity
genetic diversity
human diversity
ecosystem diversity
Which of the following is NOT a biotic factor?
Coyote
air
elephant
the variety of different species in a biological community
ecosystem diversity
species diversity
genetic diversity
extinction
the variety of genes present in a population
genetic diversity
ecosystem diversity
extinction
species diversity
an event in which a large percentage of all living species become extinct in a relatively short period of time
mass extinction
eutrophication
biological magnification
background extinction
the separation of an ecosystem into small pieces of land
edge effect
overexploitation
habitat fragmentation
mass extinction
excessive use of a species, often leading to extinction
natural resource
biological magnification
mass extinction
material or organism found in the biosphere
eutrophication
natural resource
edge effect
overexploitation
the variety of ecosystems present in the biosphere
ecosystem diversity
extinction
species diversity
genetic diversity
the gradual process of species becoming extinct
overexploitation
mass extinction
eutrophication
background extinction
the increased concentration of toxic substances in organisms at a high trophic level in the food chain
endemic
natural resources
Biological magnification
bioremediation
a natural resource that is present in limited amounts or requires a long period of time to be replaced
over exploitation
sustainable use
a method of using living things, such as bacteria, plants, or fungi, to remove toxins from a polluted area
nonrenewable resource
renewable resource
sustainable use
using resources at a rate at which they can be replaced or recycled while preserving long term environmental health
nonrenewable resource
bioremediation
renewable resource
sustainable use
a natural resource that is replaced by natural processes faster than it is consumed
bioremediation
sustainable use
In a biological community, the number and abundance of different species.
Genetic Diversity
Species Diversity
Ecosystem Diversity
A large-scale dying out of a large percentage of all living organisms in an area within a short time.
Mass Extinction
Background Extinction
Technique using living organisms to detoxify a polluted area.
Sustainable Use
Endemic
Bioremediation
Variety of inheritable characteristics or genes in an interbreeding population.
Genetic Diversity
Species Diversity
Ecosystem Diversity
Any different environmental condition occurring along an ecosystem’s boundaries.
Edge Effect
Biological Magnification
Eutrophication
Invasive Species
Use of resources at a rate that they can be replaced or recycled.
Sustainable Use
Endemic
Bioremediation
Variety of ecosystems in the biosphere.
Genetic Diversity
Species Diversity
Ecosystem Diversity
Water pollution from nitrogen-rich and phosphorous-rich substances flowing into waterways, causing algal overgrowth.
Edge Effect
Biological Magnification
Eutrophication
Invasive Species
Any natural resource available in limited amounts or replaced extremely slowly by natural processes.
Renewable Resource
Nonrenewable Resource
The disappearance of a species when the last of its members dies.
Extinction
Mass Extinction
Background Extinction
Overuse of species with economic value-a factor in species extinction.
Background Extinction
Mass Extinction
Natural Resource
Overexploitation
Any resource replaced by natural process more quickly than it is consumed.
Renewable Resource
Nonrenewable Resource
Number of different species living in a specific area.
Biodiversity
Endemic
Species Diversity
Ecosystem Diversity
Found only in specific geographic area.
Sustainable Use
Endemic
Bioremediation
Increasing concentration of toxic substances, such as DDT, in organisms as trophic levels increase in food chains or food webs.
Edge Effect
Biological Magnification
Eutrophication
Invasive Species
Gradual process of a species becoming extinct.
Background Extinction
Mass Extinction
Natural Resource
Overexploitation
Nonnative species that can significantly modify or disrupt habitat.
Edge Effect
Biological Magnification
Eutrophication
Invasive Species
Any material or organism in the biosphere, including water, soil, fuel, and plants and animals.
Background Extinction
Mass Extinction
Natural Resource
Overexploitation
The number of different plants and animals in an area.
niche
biodiversity
ecosystem
tundra
living things
biotic
abiotic
ecosystem
biodiversity
nonliving things
biotic
abiotic
ecosystem
biodiversity
the special function every plant or animal has in an ecosystem
molting
dormant
barren
niche
plants or animals that are not natural parts of an ecosystem
molting
invasive
barren
niche
cold, barren region with no trees
desert
rain forest
arctic
tundra
an area that grows few plants
barren
tundra
empty
rain forest
more of an animal or plant than resources available
underpopulated
populated
overpopulated
barren
What are these examples of? food, water, shelter
resources
biodiversity
invasive species
dormant
parts of an organism's body
crustaceans
exoskeleton
chemical structure
physical structure
a relationship between two organisms of different species where one or both species benefits
symbiotic relationship
invasive relationship
chemical relationship
environmental relationship
a way a plant of animal's body or behavior changes that helps it survive in their environment
chemical change
adaptation
natural change
evolving
movement of a species from one place to another
migration
biodiversity
mutation
adaptation
True or false? There are three types of deserts.
True
False
Which of these species have exoskeletons? Select 3.
Crabs
Dogs
Lobsters
Snakes
Shrimp
True or false? Adaptations develop over long periods of time and can take many generations to develop.
True
False
What are the characteristics of the tundra? Select 3.
Cold
Barren
Hot
Low biodiversity
Many animals
What percentage of earth's living things live in the rain forest?
10%
50%
75%
25%
What are the characteristics of grasslands? Select 2.
small amount of rainfall
great amount of biodiversity
cold weather
lots of rainfall
What are some PREDICTABLE ways ecosystems change? Select 2.
seasons
invasive species
human activity
animal migration
What are some NOT PREDICTABLE ways ecosystems change? Select 2.
seasons
invasive species
human activity
animal migration
Do native species compete with invasive species for food and shelter?
Yes
No
True or False? Ecosystems need balance. We need the right amount of plants and animals to keep the balance.
True
False
True or False? the less bio-diverse an ecosystem is, the more stable it is.
True
False
Why do animals have different structures?
Because they live in different habitats and perform different functions.
Because they live in similar habitats and perform different functions.
Because they live in different habitats and perform similar functions.
Because each animal is unique for their environment.
Why can some animals camouflage?
To stand out in their environment
To blend into their environment
To help other animals in their environment
Help you grow and survive; are located inside of your body
internal structures
external structures
easy to identify because you can see them with your eyes and touch them with your hands
internal structures
external structures
creatures with segmented bodies and exoskeletons
chitin
carcinologist
crustaceans
scavengers
What biome would a zebra live in?
tundra
rain forest
grasslands
taiga
What biome would a toucan live in?
tundra
rain forest
grasslands
taiga
What two things make up an ecosystem?
nonliving things
biodiversity
biomes
living things
Breaking up large areas of habitat into smaller pieces is called...
Destruction
Conservation
Logging
Fragmentation
A species that is not supposed to be in an ecosystem (non-native) and has no competition
invasive species
fossil fuels
direct harvesting
indicator species
Reducing the quality of habitat through pollution or invasive species is called ___________.
degradation
destruction
fragmentation
mitigation
Fishing tuna at a rate of more than they can replace themselves is known as?
Habitat destruction
unsustainable
trophic cascade
overharvesting
Which of the following is NOT a cause for the current decline in the biodiversity of our ecosystem?
overexploitation of resources
increasing human populations
pollution of water sources
regenerating forests
What are some effects of global warming?
increase in ice caps and lower sea levels
increase in tree growth and melting of ice caps
Rising sea level and melting of ice caps
Catching or removing more aquatic animals than the population can replace:
livestock
domesticated animals
aquaculture
overharvesting
ruminants
Untreated sewage entering rivers is an example of what part of HIPCO?
Habitat Loss
Invasive Species
Pollution
Overharvesting
Burning fossil fuels results in there being more greenhouse gases to trap heat around the globe. This causes
Habitat loss
Invasive Species
Pollution
Climate Change
Identify the human action that could potentially lead to habitat fragmentation.
recycling, reusing, and reducing waste to reduce pollution
animals hunting as a sport
cutting down some trees to build a road through a habitat
accidentally introducing a nonnative species to the habitat
Why is biodiversity in an ecosystem so important?
Because it can help humans where to determine good places to develop farm land.
Because places that have a healthy biodiversity are unaffected by major disturbances.
Because having a high biodiversity allows ecosystems to withstand major changes.
Because having a high biodiversity allows for fewer opportunities of competition for similar resources.
Nonnative sea lampreys invading the Great lakes and decreasing fish populations is an example of what part of HIPPO?
invasive species - the I in HIPPO
overharvesting - the O in HIPPO
none of these
pollution - one of the Ps in HIPPO
Which applies to this environmental problem:
As more people are added to the Earth, more resources are required to meet their needs.
Habitat Loss
Invasive Species
Pollution
Population Growth
Overconsumption
Why is human population a threat to biodiversity?
Human population is the amount of humans
humans are not a threat to biodiversity
the human population is decreasing
humans use up resources available
How does habitat fragmentation reduce genetic diversity in species?
Habitat fragmentation makes nonnative species introduction possible.
Habitat fragmentation opens migration routes.
Habitat fragmentation isolates a large population into smaller groups.
Habitat fragementation encourages open gene flow.
Species that normally live and thrive in a particular ecosystem
native species
exotic specis
invasive species
keystone species
A greater a habitat's biodiversity, the greater will be that habitat's -
sustainability over time with varying conditions.
consumption of energy in the form of sunlight.
temperature ranges across the seasons.
distance to the nearest water source.
When human-made chemicals and garbage find their way into nature and harm the air, soil, and water it is called
pollution
habitat destruction
overexploitation
climate change
Greenhouse gases have environmental impacts on marine ecosystems. Which environmental impact is NOT a result of greenhouse gases?
global warming
sea level rise due to glacial melting
cooling of arctic waters
coral bleaching due to the acid rain
Fossil fuels such as coal, oil, and natural gas supply much of the world's energy. However, these fuels have a tremendous negative effect on the environment. Which of the following would be the best strategy to alleviate this problem?
Impose fines on individuals that overuse fossil fuels and use the money for environmental cleanup.
Educate society on the harmful effects and gradually replace fossil fuels with alternative renewable resources.
Fund scientific research for discovering new energy sources and use the remaining supply of fossil fuels until then.
Create an environmental policy that would ban the use of all fossil fuels due to the negative environmental effects.
Where does most air pollution come from?
Human activities
Wildfires
Volcanic eruptions
Allergens
Deforestation leads to a decrease in atmospheric carbon dioxide.
True
False
Breaking up large areas of habitat into smaller pieces is called...
Destruction
Conservation
Logging
Fragmentation
A species that is not supposed to be in an ecosystem (non-native) and has no competition
invasive species
fossil fuels
direct harvesting
indicator species
Reducing the quality of habitat through pollution or invasive species is called ___________.
degradation
destruction
fragmentation
mitigation
Fishing tuna at a rate of more than they can replace themselves is known as?
Habitat destruction
unsustainable
trophic cascade
overharvesting
Which of the following is NOT a cause for the current decline in the biodiversity of our ecosystem?
overexploitation of resources
increasing human populations
pollution of water sources
regenerating forests
What are some effects of global warming?
increase in ice caps and lower sea levels
increase in tree growth and melting of ice caps
Rising sea level and melting of ice caps
Catching or removing more aquatic animals than the population can replace:
livestock
domesticated animals
aquaculture
overharvesting
ruminants
Untreated sewage entering rivers is an example of what part of HIPCO?
Habitat Loss
Invasive Species
Pollution
Overharvesting
Burning fossil fuels results in there being more greenhouse gases to trap heat around the globe. This causes
Habitat loss
Invasive Species
Pollution
Climate Change
Identify the human action that could potentially lead to habitat fragmentation.
recycling, reusing, and reducing waste to reduce pollution
animals hunting as a sport
cutting down some trees to build a road through a habitat
accidentally introducing a nonnative species to the habitat
Why is biodiversity in an ecosystem so important?
Because it can help humans where to determine good places to develop farm land.
Because places that have a healthy biodiversity are unaffected by major disturbances.
Because having a high biodiversity allows ecosystems to withstand major changes.
Because having a high biodiversity allows for fewer opportunities of competition for similar resources.
Nonnative sea lampreys invading the Great lakes and decreasing fish populations is an example of what part of HIPPO?
invasive species - the I in HIPPO
overharvesting - the O in HIPPO
none of these
pollution - one of the Ps in HIPPO
Which applies to this environmental problem:
As more people are added to the Earth, more resources are required to meet their needs.
Habitat Loss
Invasive Species
Pollution
Population Growth
Overconsumption
Why is human population a threat to biodiversity?
Human population is the amount of humans
humans are not a threat to biodiversity
the human population is decreasing
humans use up resources available
How does habitat fragmentation reduce genetic diversity in species?
Habitat fragmentation makes nonnative species introduction possible.
Habitat fragmentation opens migration routes.
Habitat fragmentation isolates a large population into smaller groups.
Habitat fragementation encourages open gene flow.
Species that normally live and thrive in a particular ecosystem
native species
exotic specis
invasive species
keystone species
A greater a habitat's biodiversity, the greater will be that habitat's -
sustainability over time with varying conditions.
consumption of energy in the form of sunlight.
temperature ranges across the seasons.
distance to the nearest water source.
When human-made chemicals and garbage find their way into nature and harm the air, soil, and water it is called
pollution
habitat destruction
overexploitation
climate change
Greenhouse gases have environmental impacts on marine ecosystems. Which environmental impact is NOT a result of greenhouse gases?
global warming
sea level rise due to glacial melting
cooling of arctic waters
coral bleaching due to the acid rain
Fossil fuels such as coal, oil, and natural gas supply much of the world's energy. However, these fuels have a tremendous negative effect on the environment. Which of the following would be the best strategy to alleviate this problem?
Impose fines on individuals that overuse fossil fuels and use the money for environmental cleanup.
Educate society on the harmful effects and gradually replace fossil fuels with alternative renewable resources.
Fund scientific research for discovering new energy sources and use the remaining supply of fossil fuels until then.
Create an environmental policy that would ban the use of all fossil fuels due to the negative environmental effects.
Where does most air pollution come from?
Human activities
Wildfires
Volcanic eruptions
Allergens
Deforestation leads to a decrease in atmospheric carbon dioxide.
True
False
