Question 1

Match each lettered cell in the table with the description that belongs in that cell.
-one population obtains energy; the other is damaged (usually not killed)

Accepted Answer

A)  carnivory
B)  herbivory
C)  competition
D)  commensalism
E)  mutualismF) parasitismG) None of the above
H) A) and C)

Question 2

Suppose there are two forests. In the first forest, 39 of the 50 trees represent the dominant species. In the second forest, there are 2 of each of the 10 different species. What conclusion can be drawn regarding these two forests?

Accepted Answer

A)   The second forest must have had some human interference.
B)   The second forest is more diverse than the second.
C)   The first forest must have had some human interference.
D)   The amount of animal species in each forest would be the same.E) A) and B)
F) None of the above

Question 3

Use the terms in the list to identify each lettered portion of the food web. 
-primary producers

Accepted Answer

The answer of Use the terms in the list to...

Question 4

In the 1960s, Robert Paine used removal experiments to evaluate the effects of predation by Pisaster.

Accepted Answer

A) True 
 B)False

Question 5

Elephants and some other large carnivores are species with few predators.

Accepted Answer

A) True 
 B)False

Question 6

Most gradient analyses point toward the individualistic view of communities.

Accepted Answer

A) True 
 B)False

Question 7

Match each description to the appropriate term.
-situation where both species benefit

Accepted Answer

A)  aposematic coloration
B)  commensalism
C)  ecological niche
D)  exploitative competition
E)  interference competitionF) mimicryG) mutualismH) parasitismI) resource partitioningJ) A) and E)
K) A) and D)

Question 8

Match each description to the appropriate term.
-one organism feeds off of another organism, causing harm

Accepted Answer

A)  aposematic coloration
B)  commensalism
C)  ecological niche
D)  exploitative competition
E)  interference competitionF) mimicryG) mutualismH) parasitismI) resource partitioningJ) D) and E)
K) F) and I)

Question 9

Use the terms in the list to identify each lettered portion of the food web. 
-primary consumers

Accepted Answer

The answer of Use the terms in the list to...

Question 10

Match each lettered cell in the table with the description that belongs in that cell.
-both populations may be at a disadvantage

Accepted Answer

A)  carnivory
B)  herbivory
C)  competition
D)  commensalism
E)  mutualismF) parasitismG) B) and E)
H) B) and C)

Question 11

Explain when and why resource partitioning occurs.

Accepted Answer

Resource partitioning occurs w...

Question 12

In interference competition, two or more populations use the same limiting resource.

Accepted Answer

A) True 
 B)False

Question 13

How do pitcher plants obtain nitrogen? Describe two examples.

Accepted Answer

In Borneo, biologists have discovered tw...

Question 14

Why are zebras striped?

Accepted Answer

Stripes make zebras conspicuou...

Question 15

Mutualistic relationships between animal species are common.

Accepted Answer

A) True 
 B)False

Question 16

What is the difference between a decomposer and a detritivore? Provide an example of each.

Accepted Answer

A decomposer is a small organism (e.g., ...

Question 17

Realized niches are larger than fundamental niches.

Accepted Answer

A) True 
 B)False

Question 18

Allopatric species live in the same places.

Accepted Answer

A) True 
 B)False

Question 19

What does the intermediate disturbance hypothesis suggest?

Accepted Answer

A)   Species richness is lowest in communities experiencing fairly frequent disturbances of moderate intensity.
B)   Species richness is greatest in communities experiencing very frequent disturbances of moderate intensity.
C)   Species richness is greatest in communities experiencing fairly frequent disturbances of little intensity.
D)   Species richness is greatest in communities experiencing fairly frequent disturbances of moderate intensity.E) C) and D)
F) B) and D)

Question 20

Define the competitive exclusion principle.

Accepted Answer

Populations of two or more species canno...

Exam 30: Species Interactions and Community Ecology

Match each lettered cell in the table with the description that belongs in that cell. -one population obtains energy; the other is damaged (usually not killed)

Correct AnswerverifiedShow Answer

Suppose there are two forests. In the first forest, 39 of the 50 trees represent the dominant species. In the second forest, there are 2 of each of the 10 different species. What conclusion can be drawn regarding these two forests?

Correct AnswerverifiedShow Answer

In interference competition, two or more populations use the same limiting resource.

Correct AnswerverifiedShow Answer

In the 1960s, Robert Paine used removal experiments to evaluate the effects of predation by Pisaster.

Correct AnswerverifiedShow Answer

Match each lettered cell in the table with the description that belongs in that cell. -both populations may be at a disadvantage

Correct AnswerverifiedShow Answer

Allopatric species live in the same places.

Correct AnswerverifiedShow Answer

Use the terms in the list to identify each lettered portion of the food web. -primary consumers

Correct AnswerverifiedShow Answer

What is the difference between a decomposer and a detritivore? Provide an example of each.

Correct AnswerverifiedA decomposer is a small organism (e.g., ...View AnswerShow Answer

Mutualistic relationships between animal species are common.

Correct AnswerverifiedShow Answer

Define the competitive exclusion principle.

Correct AnswerverifiedPopulations of two or more species canno...View AnswerShow Answer

What does the intermediate disturbance hypothesis suggest?

Correct AnswerverifiedShow Answer

Explain when and why resource partitioning occurs.

Correct AnswerverifiedResource partitioning occurs w...View AnswerShow Answer

Elephants and some other large carnivores are species with few predators.

Correct AnswerverifiedShow Answer

Match each description to the appropriate term. -one organism feeds off of another organism, causing harm

Correct AnswerverifiedShow Answer

How do pitcher plants obtain nitrogen? Describe two examples.

Correct AnswerverifiedIn Borneo, biologists have discovered tw...View AnswerShow Answer

Use the terms in the list to identify each lettered portion of the food web. -primary producers

Correct AnswerverifiedShow Answer

Why are zebras striped?

Correct AnswerverifiedStripes make zebras conspicuou...View AnswerShow Answer

Realized niches are larger than fundamental niches.

Correct AnswerverifiedShow Answer

Most gradient analyses point toward the individualistic view of communities.

Correct AnswerverifiedShow Answer

Match each description to the appropriate term. -situation where both species benefit

Correct AnswerverifiedShow Answer

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A decomposer is a small organism (e.g., ...
View Answer

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Correct Answer
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Populations of two or more species canno...
View Answer

Correct Answer
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Correct Answer
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Resource partitioning occurs w...
View Answer

Correct Answer
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Correct Answer
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Correct Answer
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In Borneo, biologists have discovered tw...
View Answer

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Correct Answer
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Stripes make zebras conspicuou...
View Answer

Correct Answer
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Correct Answer
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Correct Answer
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