Question 1

As ecological development proceeds, a biological community

Accepted Answer

A)  gradually stagnates. 
B)  becomes more diverse. 
C)  goes through repeated secondary succession stages. 
D)  goes through repeated primary succession stages. 
E)  becomes less complex. 
A)  gradually stagnates. 
B)  becomes more diverse. 
C)  goes through repeated secondary succession stages. 
D)  goes through repeated primary succession stages. 
E)  becomes less complex. B

Question 2

Two unpalatable or dangerous species which have warning patterns or colors and appear similar are an example of _________________.

Accepted Answer

A)  symbiosis 
B)  competitive exclusion 
C)  mutualism 
D)  Batesian mimicry 
E)  Mullerian mimicry 
A)  symbiosis 
B)  competitive exclusion 
C)  mutualism 
D)  Batesian mimicry 
E)  Mullerian mimicry E

Question 3

Which of the following is not generally true of k-selected species compared to r-selected species?

Accepted Answer

A)  they have shorter generation times 
B)  they reach sexual maturity later 
C)  they have fewer young 
D)  they have longer life spans 
E)  they have slower population growth rates 
A)  they have shorter generation times 
B)  they reach sexual maturity later 
C)  they have fewer young 
D)  they have longer life spans 
E)  they have slower population growth rates A

Question 4

There is/are usually _______ tolerance limit(s) responsible for limiting the number and location of a species. However, some organisms have ____________ that limit(s) their distribution.

Accepted Answer

A)  one; a specific critical factor 
B)  one; other environmental conditions 
C)  one specific; many factors 
D)  many; other environmental conditions 
E)  many; a specific critical factor 
A)  one; a specific critical factor 
B)  one; other environmental conditions 
C)  one specific; many factors 
D)  many; other environmental conditions 
E)  many; a specific critical factor

Question 5

The introduction of a predator onto an island originally free from predators is likely to cause the extinction of a native species.

Accepted Answer

A) True 
 B)False

Question 6

Evolution occurs as a result of

Accepted Answer

A)  the discovery of a desirable characteristic in a population. 
B)  an individual's physiological modification. 
C)  environmental change that forces modification in a resident species. 
D)  better survival or reproduction rates by individuals with a particular characteristic. 
E)  a population's physiological modification. 
A)  the discovery of a desirable characteristic in a population. 
B)  an individual's physiological modification. 
C)  environmental change that forces modification in a resident species. 
D)  better survival or reproduction rates by individuals with a particular characteristic. 
E)  a population's physiological modification.

Question 7

Symbiosis means

Accepted Answer

A)  a relationship in which both species benefit. 
B)  a parasitic relationship. 
C)  commensalism. 
D)  living together. 
E)  a relationship in which one species benefits and the other does not benefit. 
A)  a relationship in which both species benefit. 
B)  a parasitic relationship. 
C)  commensalism. 
D)  living together. 
E)  a relationship in which one species benefits and the other does not benefit.

Question 8

What would you label the range of temperature from 90$\circ$F to 94$\circ$F for this particular species?

Accepted Answer

A)  zone of intolerance 
B)  zone of physiological stress 
C)  tolerance limit range 
D)  optimal range 
E)  range of tolerance 
A)  zone of intolerance 
B)  zone of physiological stress 
C)  tolerance limit range 
D)  optimal range 
E)  range of tolerance

Question 9

A dieback, or population crash, often occurs after a species ________ its environmental carrying capacity.

Accepted Answer

A)  meets 
B)  overshoots 
C)  undershoots 
D)  oscillates around 
E)  decreases 
A)  meets 
B)  overshoots 
C)  undershoots 
D)  oscillates around 
E)  decreases

Question 10

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 11

___________ is the place or set of environmental conditions in which a particular organism lives.

Accepted Answer

A)  Adaptation 
B)  Habitat 
C)  Tolerance range 
D)  Resource partition 
E)  None of these are correct. 
A)  Adaptation 
B)  Habitat 
C)  Tolerance range 
D)  Resource partition 
E)  None of these are correct.

Question 12

A titmouse and a chickadee are living in the same territory and are using some of the same resources. The best way to classify this interaction is as

Accepted Answer

A)  mutualism. 
B)  intraspecific competition. 
C)  interspecific competition. 
D)  symbiosis. 
E)  commensalism. 
A)  mutualism. 
B)  intraspecific competition. 
C)  interspecific competition. 
D)  symbiosis. 
E)  commensalism.

Question 13

Complexity in an ecological community has to do with the number of

Accepted Answer

A)  species in the population. 
B)  species at each trophic level. 
C)  genetic variations within a species. 
D)  primary producers available. 
E)  primary producers relative to the number of consumers. 
A)  species in the population. 
B)  species at each trophic level. 
C)  genetic variations within a species. 
D)  primary producers available. 
E)  primary producers relative to the number of consumers.

Question 14

What term describes species which arise in non-overlapping geographic regions?

Accepted Answer

A)  intraspecific competition 
B)  interspecific competition 
C)  sympatric speciation 
D)  allopatric speciation 
E)  invasive species 
A)  intraspecific competition 
B)  interspecific competition 
C)  sympatric speciation 
D)  allopatric speciation 
E)  invasive species

Question 15

A community with hundreds of different types of primary producers, a few herbivores, and only one carnivore, has

Accepted Answer

A)  little complexity. 
B)  little diversity. 
C)  a great deal of complexity. 
D)  low productivity. 
E)  a great deal of productivity. 
A)  little complexity. 
B)  little diversity. 
C)  a great deal of complexity. 
D)  low productivity. 
E)  a great deal of productivity.

Question 16

In the partnership of a lichen, the fungus provides _________ and the relationship is best described as _______.

Accepted Answer

A)  most of the photosynthesis; symbiosis 
B)  poisons that deter predation; commensalism 
C)  structure and moisture-holding ability; mutualism 
D)  very little to the algal partner; parasitism 
E)  some of the photosynthesis; commensalism 
A)  most of the photosynthesis; symbiosis 
B)  poisons that deter predation; commensalism 
C)  structure and moisture-holding ability; mutualism 
D)  very little to the algal partner; parasitism 
E)  some of the photosynthesis; commensalism

Question 17

The most common reason that introduced species cause trouble is because they are larger than native species.

Accepted Answer

A) True 
 B)False

Question 18

Which of the following is not a common strategy for successful intraspecific competition?

Accepted Answer

A)  eating prey before they are "ready" (ripe) for other species 
B)  spreading seeds or offspring far and fast 
C)  producing substances that are toxic to competitors 
D)  the life cycle of dragonflies (the larva live in the water) 
E)  All of these are strategies for successful interspecific competition. 
A)  eating prey before they are "ready" (ripe) for other species 
B)  spreading seeds or offspring far and fast 
C)  producing substances that are toxic to competitors 
D)  the life cycle of dragonflies (the larva live in the water) 
E)  All of these are strategies for successful interspecific competition.

Question 19

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 20

What is the difference in the adaptation of a sled dog's (such as a Husky) thick coat of hair to help it withstand the cold temperatures of Arctic winters and a dog that adapts to cold temperatures in the fall by growing a thickened coat? The adaptation of the sled dog best describes adaptation at the ____________ level while the dog exposed to seasonal colder temperatures has _____________.

Accepted Answer

A)  regional; natural selection at the individual level 
B)  individual; physiological modifications at the population level 
C)  population; physiological modifications at the individual level 
D)  species; natural selection at the population level 
E)  ecosystem; physiological modifications at the individual level 
A)  regional; natural selection at the individual level 
B)  individual; physiological modifications at the population level 
C)  population; physiological modifications at the individual level 
D)  species; natural selection at the population level 
E)  ecosystem; physiological modifications at the individual level

As ecological development proceeds, a biological community

Two unpalatable or dangerous species which have warning patterns or colors and appear similar are an example of _________________.

Which of the following is not generally true of k-selected species compared to r-selected species?

There is/are usually _ tolerance limit(s) responsible for limiting the number and location of a species. However, some organisms have ______ that limit(s) their distribution.

The introduction of a predator onto an island originally free from predators is likely to cause the extinction of a native species.

Evolution occurs as a result of

Symbiosis means

What would you label the range of temperature from 90^$\circ$F to 94^$\circ$F for this particular species?

A dieback, or population crash, often occurs after a species ________ its environmental carrying capacity.

Natural selection will ultimately make a species

___________ is the place or set of environmental conditions in which a particular organism lives.

A titmouse and a chickadee are living in the same territory and are using some of the same resources. The best way to classify this interaction is as

Complexity in an ecological community has to do with the number of

What term describes species which arise in non-overlapping geographic regions?

A community with hundreds of different types of primary producers, a few herbivores, and only one carnivore, has

In the partnership of a lichen, the fungus provides ___ and the relationship is best described as _.

The most common reason that introduced species cause trouble is because they are larger than native species.

Which of the following is not a common strategy for successful intraspecific competition?

A biological community's productivity is a measure of

Understanding Our Environment

Environmental Systems: Connections, Cycles, Flows and Feedback Loops

Human Populations

Biomes and Biodiversity

Environmental Conservation: Forests Grasslands Parks and Nature Preserves

Food and Agriculture

Environmental Health and Toxicology

Air: Climate and Pollution

Water: Resources and Pollution

Environmental Geology and Earth Resources

Energy

Solid and Hazardous Waste

Economics and Urbanization

Environmental Policy and Sustainability

Filters

Exam 3: Evolution, Species Interactions, and Biological Communities

As ecological development proceeds, a biological community

Two unpalatable or dangerous species which have warning patterns or colors and appear similar are an example of _________________.

Which of the following is not generally true of k-selected species compared to r-selected species?

There is/are usually _______ tolerance limit(s) responsible for limiting the number and location of a species. However, some organisms have ____________ that limit(s) their distribution.

The introduction of a predator onto an island originally free from predators is likely to cause the extinction of a native species.

Evolution occurs as a result of

Symbiosis means

What would you label the range of temperature from 90 ∘\circ∘ F to 94 ∘\circ∘ F for this particular species?

A dieback, or population crash, often occurs after a species ________ its environmental carrying capacity.

Natural selection will ultimately make a species

___________ is the place or set of environmental conditions in which a particular organism lives.

A titmouse and a chickadee are living in the same territory and are using some of the same resources. The best way to classify this interaction is as

Complexity in an ecological community has to do with the number of

What term describes species which arise in non-overlapping geographic regions?

A community with hundreds of different types of primary producers, a few herbivores, and only one carnivore, has

In the partnership of a lichen, the fungus provides _________ and the relationship is best described as _______.

The most common reason that introduced species cause trouble is because they are larger than native species.

Which of the following is not a common strategy for successful intraspecific competition?

A biological community's productivity is a measure of

Understanding Our Environment

Environmental Systems: Connections, Cycles, Flows and Feedback Loops

Human Populations

Biomes and Biodiversity

Environmental Conservation: Forests Grasslands Parks and Nature Preserves

Food and Agriculture

Environmental Health and Toxicology

Air: Climate and Pollution

Water: Resources and Pollution

Environmental Geology and Earth Resources

Energy

Solid and Hazardous Waste

Economics and Urbanization

Environmental Policy and Sustainability

Filters

There is/are usually _ tolerance limit(s) responsible for limiting the number and location of a species. However, some organisms have ______ that limit(s) their distribution.

What would you label the range of temperature from 90^$\circ$F to 94^$\circ$F for this particular species?

In the partnership of a lichen, the fungus provides ___ and the relationship is best described as _.