WorksheetsUnit 9 Exam 1 Review
Total questions: 50
Worksheet time: 31mins
When one organism benefits while the other organism is neither helped or hurt.
Competition
Parasitism
Commensalism
Predation
Mutualism
When both organisms benefits.
Competition
Parasitism
Commensalism
Predation
Mutualism
When one organism benefits while the other organism is hurt.
Competition
Parasitism
Commensalism
Predation
Mutualism
The non-living part of the natural environment where an animal, plant or other organism lives…
niche
habitat
community
ecosystem
biosphere
This is the job or role of a specific organism within its habitat...
producer
prey
carnivore
niche
photosynthesis
The term used to include all of the living things PLUS all the non-living things together in a specific environment...
community
biosphere
habitat
population
ecosystem
What do you call the total count of a specific organism living within their natural habitat?
ecosystem
community
population
symbiosis
niche
What is the term used to describe ALL of the populations of ALL the species of living organisms within a particular habitat?
savanna
wildlife
community
habitat
ecosystem
___ are the first organisms to colonize an area and begin the process of ecological succession.
foundational organisms
introductory organisms
primary organisms
pioneer species
Primary succession occurs in an area that has:
Has Soil
Has No Soil
Has Some Soil
none of these
Living factors or organisms that affect an ecosystem...
abiotic factors
species
trophic level
biotic factors
Match the following levels of classification to their definitions:
1 individual
Organism
All the same species
Population
All the different living things
Community
All the biotic and abiotic things
Ecosystem
What two factors increase the population size?
Births
Deaths
Immigration
Emigration
What two factors decrease the population size?
Births
Deaths
Immigration
Emigration
Carrying capacity is the (a) number of organisms that can survive in an area based on the available (b) , such as food and water.
What are survivorship curves?
curves that describe the number of survivors over time
curves that tell us what the limiting factors are
curve that tells us about the carrying capacity
a curve
Emigration is
the movement out of an area
the movement into an area
movement in and out of an area
migration
Why don't populations grow indefinitely?
limiting factors
only biotic factors
only abiotic factors
none of the above
What is the arrow pointing at?
carrying capacity
biotic potential
density-independent
density dependent
Which type of population dispersion is characterized by individuals of the same species competing for limited resources and territory?
Clumped
Uniform
Random
Environmental
Which type of population dispersion is characterized by resources being spread unevenly, so individuals group wherever the resources are located?
Clumped
Uniform
Random
Environmental
Which type of population dispersion is characterized by resources being evenly distributed in an ecosystem?
Clumped
Uniform
Random
Environmental
Which survivorship curve is characterized by fewer offspring being born, but most live longer?
Type I
Type II
Type III
Type IV
Which survivorship curve is characterized by many offspring being born, but fewer of them survive?
Type I
Type II
Type III
Type IV
Which survivorship curve is characterized by survivorship being roughly equal at all life stages?
Type I
Type II
Type III
Type IV
Which type of population dispersion is shown in this picture?
Clumped
Random
Uniform
None of the Above
Which type of population dispersion is shown in this picture?
Clumped
Random
Uniform
None of the Above
Which type of population dispersion is shown in this picture?
Clumped
Random
Uniform
None of the Above
Which description best fits Line A?
It shows logistic growth.
It shows exponential growth.
It shows the carrying capacity.
It shows linear growth of a population.
Which description best fits Line B?
It shows logistic growth.
It shows exponential growth.
It shows the carrying capacity.
It shows linear growth of a population.
Which description best fits Line C?
It shows logistic growth.
It shows exponential growth.
It shows the carrying capacity.
It shows linear growth of a population.
Which curve best describes an organism that invests a lot of energy in parenting?
Which best describes the graph of logistic growth?
Which of the following are density dependent factors?
competition for resources
predation
disease
natural disasters
Which of the following are examples of a density independent factors?
forest fire
seasonal cycles
storms
disease
Movement into a range from elsewhere...
immigration
emigration
demographic transition
density-independent limiting factor
The number of individuals per unit of area...
limiting factor
carrying capacity
population density
density-dependent limiting factor
Movement out of a range...
demographic transition
logistic growth
immigration
emigration
The study of human populations...
emigration
age structure
demography
immigration
Regardless of population size or density, these factors affect all populations similarly...
density-dependent limiting factors
density-independent limiting factors
carrying capacity
exponential growth
The maximum number of individuals of a particular species that an environment can support...
demography
emigration
exponential growth
carrying capacity
Factors that are influential only when population density reaches a certain level...
density-dependent limiting factor
limiting factor
logistic growth
density-independent limiting factor
What ecological interaction describes the relationship between rabbits and deer?
