Question 1

____________________ is the term used to describe two species that look alike and are both danergous or unpalatable.

Accepted Answer

A)  Mullerian mimicry 
B)  Batesian mimicry 
C)  Symbiosis 
D)  Commensalism 
A)  Mullerian mimicry 
B)  Batesian mimicry 
C)  Symbiosis 
D)  Commensalism A

Question 2

In the coastal forest of Oregon an area was clear-cut for logging. Trees at the edge of the clearing and 200 meters into the forest died within a few months after the logging began. What is the best explanation for the death of the trees?

Accepted Answer

A)  The trees at the edge of the forest were more prone to disease 
B)  Increased sunlight, wind and temperature negatively affected the trees 
C)  The roots of all of the trees were damaged 
D)  Nitrogen fixing bacteria in the roots of the trees were killed 
A)  The trees at the edge of the forest were more prone to disease 
B)  Increased sunlight, wind and temperature negatively affected the trees 
C)  The roots of all of the trees were damaged 
D)  Nitrogen fixing bacteria in the roots of the trees were killed B

Question 3

Development of an ecological community on a site previously devoid of life is called secondary succession.

Accepted Answer

A) True 
 B)False  False

Question 4

A biological community's productivity is a measure of

Accepted Answer

A)  Its number of species 
B)  The number of individuals in the community 
C)  Available solar energy that can be converted to biomass 
D)  The amount of biomass produced in the community 
E)  All of these are combined in measuring a community's productivity 
A)  Its number of species 
B)  The number of individuals in the community 
C)  Available solar energy that can be converted to biomass 
D)  The amount of biomass produced in the community 
E)  All of these are combined in measuring a community's productivity

Question 5

As a rule, near the Earth's north and south poles,

Accepted Answer

A)  Diversity is high and abundance is low 
B)  Abundance is high and diversity is high 
C)  Neither abundance nor diversity is high 
D)  Abundance is high and diversity is low 
E)  Abundance and diversity are about the same 
A)  Diversity is high and abundance is low 
B)  Abundance is high and diversity is high 
C)  Neither abundance nor diversity is high 
D)  Abundance is high and diversity is low 
E)  Abundance and diversity are about the same

Question 6

"Abundance" describes the total number of _________ while "diversity" describes the number of _________.

Accepted Answer

A)  Species in a community; individual organisms in a community 
B)  Organisms in a community; species in a community 
C)  Individuals in a niche; niches available to a given species 
D)  Species in a bioregion; trophic levels in a community 
E)  Biomes; habitats available for different species 
A)  Species in a community; individual organisms in a community 
B)  Organisms in a community; species in a community 
C)  Individuals in a niche; niches available to a given species 
D)  Species in a bioregion; trophic levels in a community 
E)  Biomes; habitats available for different species

Question 7

An organism's ________ includes its ____________.

Accepted Answer

A)  ecological niche, habitat 
B)  habitat, ecological niche 
A)  ecological niche, habitat 
B)  habitat, ecological niche

Question 8

What would you label the range of temperature from 95$\degree$F to 96$\degree$F for this particular species in the scenario?

Accepted Answer

A)  Zone of intolerance 
B)  Tolerance limit range 
C)  Zone of physiological stress 
D)  Optimal range 
E)  Range of tolerance 
A)  Zone of intolerance 
B)  Tolerance limit range 
C)  Zone of physiological stress 
D)  Optimal range 
E)  Range of tolerance

Question 9

In a commensal relationship,

Accepted Answer

A)  One species benefits while the other neither suffers nor benefits 
B)  One species benefits while the other suffers 
C)  Two species live together and both suffer 
D)  Two species live together and neither benefits nor suffers 
E)  Two species live together and both benefit 
A)  One species benefits while the other neither suffers nor benefits 
B)  One species benefits while the other suffers 
C)  Two species live together and both suffer 
D)  Two species live together and neither benefits nor suffers 
E)  Two species live together and both benefit

Question 10

Succession can produce changes in soil, degree of shade, available moisture, and species membership of a community.

Accepted Answer

A) True 
 B)False

Question 11

Intraspecific competition is competition among ________ for resources.

Accepted Answer

A)  Predators and prey 
B)  Plants and animals 
C)  Producers, consumers and detritivores 
D)  Members of different species 
E)  Members of a single species 
A)  Predators and prey 
B)  Plants and animals 
C)  Producers, consumers and detritivores 
D)  Members of different species 
E)  Members of a single species

Question 12

Natural selection will ultimately make a species

Accepted Answer

A)  More intelligent 
B)  Physically bigger 
C)  Better adapted to its environment 
D)  More aggressive 
E)  Less vulnerable to its predators 
A)  More intelligent 
B)  Physically bigger 
C)  Better adapted to its environment 
D)  More aggressive 
E)  Less vulnerable to its predators

Question 13

A "closed community" has a

Accepted Answer

A)  Narrow ecotone 
B)  Gradual transition zone 
C)  Wide ecotone 
D)  Very small area 
E)  Large core area 
A)  Narrow ecotone 
B)  Gradual transition zone 
C)  Wide ecotone 
D)  Very small area 
E)  Large core area

Question 14

In ecology, tolerance limits refer to the maximum amount of hassling an individual organism will take before it strikes back.

Accepted Answer

A) True 
 B)False

Question 15

Species which are specialists

Accepted Answer

A)  have narrowly specific habitat requirements. 
B)  tend to have higher reproductive rates than generalists. 
C)  are tolerant of environmental change. 
D)  do not have narrowly specific habitat requirements. 
A)  have narrowly specific habitat requirements. 
B)  tend to have higher reproductive rates than generalists. 
C)  are tolerant of environmental change. 
D)  do not have narrowly specific habitat requirements.

Question 16

A species can withstand a wide range of pH as an adult but the juveniles can only withstand a narrow range of pH. The abiotic factor, pH, would best be described as a

Accepted Answer

A)  Stress factor 
B)  Intolerance factor 
C)  Tolerance limit 
D)  Critical factor 
E)  Physical factor 
A)  Stress factor 
B)  Intolerance factor 
C)  Tolerance limit 
D)  Critical factor 
E)  Physical factor

Question 17

Which of the following fish species would be the best indicator of clean, well-oxygenated water?

Accepted Answer

A)  Carp 
B)  Largemouth bass 
C)  Catfish 
D)  Rainbow trout 
E)  Sunfish 
A)  Carp 
B)  Largemouth bass 
C)  Catfish 
D)  Rainbow trout 
E)  Sunfish

Question 18

Most organisms' niches are controlled by

Accepted Answer

A)  Genetic trait for adaptive characteristics 
B)  Lessons learned from parents 
C)  Behavior learned from others in their social groups 
D)  Luck 
E)  The predators and competitors they encounter 
A)  Genetic trait for adaptive characteristics 
B)  Lessons learned from parents 
C)  Behavior learned from others in their social groups 
D)  Luck 
E)  The predators and competitors they encounter

Question 19

A climax community is one that

Accepted Answer

A)  Is relatively stable and long lasting 
B)  Lasts forever 
C)  Contains oaks or white spruce 
D)  Is impervious to disruption 
E)  Is adapted to periodic disruption 
A)  Is relatively stable and long lasting 
B)  Lasts forever 
C)  Contains oaks or white spruce 
D)  Is impervious to disruption 
E)  Is adapted to periodic disruption

Question 20

Resource partitioning leads species to

Accepted Answer

A)  Feed at different times 
B)  Utilize slightly different prey 
C)  Develop different physiological adaptations 
D)  Live in slightly different regions 
E)  All of these would be a result of resource partitioning 
A)  Feed at different times 
B)  Utilize slightly different prey 
C)  Develop different physiological adaptations 
D)  Live in slightly different regions 
E)  All of these would be a result of resource partitioning

Exam 4: Evolution, Biological Communities, and Species Interactions

____________________ is the term used to describe two species that look alike and are both danergous or unpalatable.

In the coastal forest of Oregon an area was clear-cut for logging. Trees at the edge of the clearing and 200 meters into the forest died within a few months after the logging began. What is the best explanation for the death of the trees?

Development of an ecological community on a site previously devoid of life is called secondary succession.

A biological community's productivity is a measure of

As a rule, near the Earth's north and south poles,

"Abundance" describes the total number of _________ while "diversity" describes the number of _________.

An organism's ________ includes its ____________.

What would you label the range of temperature from 95 °\degree° F to 96 °\degree° F for this particular species in the scenario?

In a commensal relationship,

Succession can produce changes in soil, degree of shade, available moisture, and species membership of a community.

Intraspecific competition is competition among ________ for resources.

Natural selection will ultimately make a species

A "closed community" has a

In ecology, tolerance limits refer to the maximum amount of hassling an individual organism will take before it strikes back.

Species which are specialists

A species can withstand a wide range of pH as an adult but the juveniles can only withstand a narrow range of pH. The abiotic factor, pH, would best be described as a

Which of the following fish species would be the best indicator of clean, well-oxygenated water?

Most organisms' niches are controlled by

A climax community is one that

Resource partitioning leads species to

Understanding Our Environment

Principles of Science and Systems

Matter, Energy, and Life

Biomes: Global Patterns of Life

Population Biology

Human Populations

Environmental Health and Toxicology

Food and Hunger

Farming: Conventional and Sustainable Practices

Biodiversity: Preserving Species

Biodiversity: Preserving Landscapes

Restoration Ecology

Geology and Earth Resources

Climate Change

Air Pollution

Water Use and Management

Water Pollution

Conventional Energy

Sustainable Energy

Solid, Toxic, and Hazardous Waste

Urbanization and Sustainable Cities

Ecological Economics

Environmental Policy, Law, and Planning

What Then Shall We Do

Filters

"Abundance" describes the total number of _ while "diversity" describes the number of _.

An organism's includes its ____.

What would you label the range of temperature from 95 $\degree$ F to 96 $\degree$ F for this particular species in the scenario?