Question 1

An assemblage of living organisms sharing the same environment is referred to as a ____________.

Accepted Answer

The answer of An assemblage of living organisms sharing the...

Question 2

The energy storage in an animal's tissues is called

Accepted Answer

A)   primary productivity.
B)   gross productivity.
C)   standing crop.
D)   biomass.E) C) and D)
F) A) and D)

Question 3

While an animal can survive (determined by lab tests) between the temperatures of 10oC and 30oC,we find in nature that the animal only exists between 16oC and 28oC.This is a difference between the __________________ and __________________.

Accepted Answer

A)   fundamental habitat; realized habitat
B)   fundamental niche; realized niche
C)   realized habitat; fundamental habitat
D)   realized niche; fundamental nicheE) B) and C)
F) A) and D)

Question 4

A species of bat is found in 1) groves and grasslands,2) has a 4 degree temperature limit and 3) is at the end of its food chain.This defines its

Accepted Answer

A)   range and habitat.
B)   habitat and niche.
C)   range and ecology.
D)   ecology.E) All of the above
F) None of the above

Question 5

Natural populations are controlled by density-dependent and density-independent forces.What is an example of a density independent factor?

Accepted Answer

A)   Adverse weather
B)   Food supply
C)   Supply of nest sites
D)   Supply of matesE) A) and D)
F) B) and C)

Question 6

Ecologists have found that

Accepted Answer

A)   life as we know it does not match the energy laws of physics.
B)   ecology cannot be explained using principles from chemistry and physics.
C)   it is possible to capture all the photosynthetic energy absorbed as molecules of glucose.
D)   energy flows one way through ecosystems and requires external input.E) None of the above
F) All of the above

Question 7

Two species of caterpillar feed on the same species of corn.On close inspection,the two insects are found to be feeding on different parts of the corn,the root and the stem.What principle does this support?

Accepted Answer

A)   keystone species.
B)   niche overlap.
C)   competitive exclusion.
D)   Batesian mimicry.E) A) and B)
F) A) and C)

Question 8

Compare logistic growth with exponential growth.Would a pest insect species more likely exhibit a logistic growth curve or an exponential growth curve? Explain your reasoning.

Accepted Answer

Logistic growth and exponential growth a...

Question 9

Most energy enters the ecosystem as

Accepted Answer

A)   cell respiration.
B)   plant growth.
C)   chemical bond energy.
D)   oxygen.
E)   light energy.F) B) and C)
G) A) and B)

Question 10

The carrying capacity of the environment is determined by

Accepted Answer

A)   the limiting resource in the environment.
B)   the reproductive rate of an animal group.
C)   the occurrence of disease.
D)   a complex "balance of nature" that remains to be explained in terms that scientists can calculate.
E)   the resources that are in surplus in the environment.F) C) and D)
G) A) and C)

Question 11

Does competition promote the process of speciation? Why or why not?

Accepted Answer

Competition can promote the process of s...

Question 12

There can usually be no more than 4 or 5 trophic levels in a food chain because there is such a great loss of __________ between trophic levels.

Accepted Answer

The answer of There can usually be no more than...

Question 13

Can the biomass of all animals on earth ever exceed the biomass of all of the plants? Why? or why not?

Accepted Answer

The biomass of all animals on Earth is h...

Question 14

A study of both a living community and all of its physical factors would focus on what level of organization

Accepted Answer

A)   Trophic levels
B)   Various biomes
C)   The biosphere
D)   EcosystemE) C) and D)
F) None of the above

Question 15

Explain the following concepts: age structure,survivorship curves,and intrinsic rate of increase.

Accepted Answer

Age structure refers to the distribution...

Question 16

An interaction in which one species derives benefit from its host but neither benefits nor harms the host is ____________.

Accepted Answer

The answer of An interaction in which one species derives...

Question 17

Discuss the different ecological effects of density independent factors and density-dependent factors on animal populations.

Accepted Answer

Density-independent factors and density-...

Question 18

Whether most young of an animal die soon after they are born or grow up such that most of the population dies in old age is called

Accepted Answer

A)   carrying capacity.
B)   intrinsic rate of growth.
C)   cohort.
D)   survivorship.
E)   the limiting resource.F) A) and B)
G) B) and E)

Question 19

What is a keystone species?

Accepted Answer

A)   a predator that preys upon many different species in a community
B)   a species whose removal causes major shifts in other species in a community
C)   a mimic that has the same appearance as another, poisonous species
D)   a prey species that must be present for its predator to survive
E)   the most abundant species in a particular communityF) A) and D)
G) B) and D)

Question 20

Distinguish between a habitat and a niche.Can these terms ever refer to the same thing?

Accepted Answer

A habitat refers to the specific place o...

Exam 38: Animal Ecology

An assemblage of living organisms sharing the same environment is referred to as a ____________.

Correct AnswerverifiedShow Answer

There can usually be no more than 4 or 5 trophic levels in a food chain because there is such a great loss of __________ between trophic levels.

Correct AnswerverifiedShow Answer

Distinguish between a habitat and a niche.Can these terms ever refer to the same thing?

Correct AnswerAnswered by ExamLex AIA habitat refers to the specific place o...View AnswerShow Answer

Two species of caterpillar feed on the same species of corn.On close inspection,the two insects are found to be feeding on different parts of the corn,the root and the stem.What principle does this support?

Correct AnswerverifiedShow Answer

Explain the following concepts: age structure,survivorship curves,and intrinsic rate of increase.

Correct AnswerAnswered by ExamLex AIAge structure refers to the distribution...View AnswerShow Answer

What is a keystone species?

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Can the biomass of all animals on earth ever exceed the biomass of all of the plants? Why? or why not?

Correct AnswerAnswered by ExamLex AIThe biomass of all animals on Earth is h...View AnswerShow Answer

Does competition promote the process of speciation? Why or why not?

Correct AnswerAnswered by ExamLex AICompetition can promote the process of s...View AnswerShow Answer

Whether most young of an animal die soon after they are born or grow up such that most of the population dies in old age is called

Correct AnswerverifiedShow Answer

Natural populations are controlled by density-dependent and density-independent forces.What is an example of a density independent factor?

Correct AnswerverifiedShow Answer

The carrying capacity of the environment is determined by

Correct AnswerverifiedShow Answer

A study of both a living community and all of its physical factors would focus on what level of organization

Correct AnswerverifiedShow Answer

A species of bat is found in 1) groves and grasslands,2) has a 4 degree temperature limit and 3) is at the end of its food chain.This defines its

Correct AnswerverifiedShow Answer

The energy storage in an animal's tissues is called

Correct AnswerverifiedShow Answer

Discuss the different ecological effects of density independent factors and density-dependent factors on animal populations.

Correct AnswerAnswered by ExamLex AIDensity-independent factors and density-...View AnswerShow Answer

While an animal can survive (determined by lab tests) between the temperatures of 10oC and 30oC,we find in nature that the animal only exists between 16oC and 28oC.This is a difference between the __________________ and __________________.

Correct AnswerverifiedShow Answer

An interaction in which one species derives benefit from its host but neither benefits nor harms the host is ____________.

Correct AnswerverifiedShow Answer

Compare logistic growth with exponential growth.Would a pest insect species more likely exhibit a logistic growth curve or an exponential growth curve? Explain your reasoning.

Correct AnswerAnswered by ExamLex AILogistic growth and exponential growth a...View AnswerShow Answer

Most energy enters the ecosystem as

Correct AnswerverifiedShow Answer

Ecologists have found that

Correct AnswerverifiedShow Answer

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A habitat refers to the specific place o...
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Age structure refers to the distribution...
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The biomass of all animals on Earth is h...
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Competition can promote the process of s...
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Density-independent factors and density-...
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While an animal can survive (determined by lab tests) between the temperatures of 10^oC and 30^oC,we find in nature that the animal only exists between 16^oC and 28^oC.This is a difference between the and .

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Logistic growth and exponential growth a...
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