Question 1

Species richness of birds in the continental United States is highest

Accepted Answer

A)   where temperatures are highest.
B)   in northern California.
C)   in Florida.
D)   in Texas.
E)   in the center.F) C) and D)
G) B) and E) B

Question 2

A metagenomic library is a typical tool of analyzing the flowering plants in a forest community.

Accepted Answer

A) True 
 B)False

Question 3

Much of the coast of the Indonesian island of Sumatra was devastated by the 2004 tsunami. The recovery of forests in that area is an example of

Accepted Answer

A)   secondary succession.
B)   facilitation.
C)   the diversity-stability hypothesis.
D)   primary succession.
E)   island biogeography.F) C) and E)
G) B) and D)

Question 4

Who developed the individualistic model?

Accepted Answer

A)   Daniel Simberloff
B)   Frederic Clements
C)   Henry Allan Gleason
D)   Joseph Connell
E)   O. WilsonF) All of the above
G) None of the above

Question 5

The intermediate-disturbance hypothesis predicts that the most species rich communities would contain

Accepted Answer

A)   both r- and K-selected species.
B)   high rates of evapotranspiration.
C)   predominantly K-selected species.
D)   intermediate biomass.
E)   None of the answers is correct.F) A) and D)
G) B) and D)

Question 6

Metagenomics offers a DNA-based method to understand

Accepted Answer

A)   the history of species diversity.
B)   the time hypothesis.
C)   microbial diversity.
D)   the organismic model of Clements.
E)   the Shannon Diversity Index.F) C) and D)
G) D) and E)

Question 7

The principle of species individuality suggests that in response to climate change, species should migrate

Accepted Answer

A)   as individual species.
B)   as individual ecosystems.
C)   through a process of primary succession.
D)   in response to a steady level of disturbance.
E)   None of these choices are correct.F) B) and E)
G) C) and D)

Question 8

When species diversity is calculated, what is being measured?

Accepted Answer

A)   Species number.
B)   The evapotranspiration rate.
C)   Both species number and relative abundance.
D)   The resistance of a community to disturbance.
E)   The process of inhibition.F) D) and E)
G) C) and D)

Question 9

Simberloff and Wilson carried out a famous experiment to study the recolonization by arthropods of small mangrove by islands after the islands were fumigated. One of their findings was

Accepted Answer

A)   several species of birds were facilitators of recolonization.
B)   species turnover was high following recolonization.
C)   recolonization was identical on all of the islands regardless of size.
D)   species richness changes little following recolonization.
E)   high diversity relative to the mainland.F) All of the above
G) A) and E)

Question 10

The source pool for an island can be

Accepted Answer

A)   the mainland.
B)   another island.
C)   secondary succession.
D)   the mainland or another island.
E)   density transition.F) C) and D)
G) A) and D) D

Question 11

Tree species richness in the United States is highest in the southeast.

Accepted Answer

A) True 
 B)False

Question 12

In MacArthur and Wilson's island biogeography model, species richness is a balance between

Accepted Answer

A)   arrival and extinction.
B)   inhibition and facilitation.
C)   arrival and speciation.
D)   tolerance and inhibition.
E)   None of these choices are correct.F) B) and D)
G) C) and D) A

Question 13

What is an area of the Earth's surface currently undergoing primary succession?

Accepted Answer

A)   Volcanoes in Hawaii.
B)   Behind retreating glaciers in Canada and Alaska.
C)   Volcanoes in Iceland.
D)   The area around Mount St. Helens in Oregon.
E)   All of the answers are correct.F) A) and E)
G) All of the above

Question 14

In the organismic model, communities are superorganisms.

Accepted Answer

A) True 
 B)False

Question 15

The productivity and area hypotheses together suggest that a large, tropical continent would likely have __________ species richness.

Accepted Answer

A)   low
B)   mature
C)   poor
D)   cyclical
E)   highF) D) and E)
G) A) and D)

Question 16

MacArthur and Wilson's island biogeography would predict that there would be more species in North America than in Greenland.

Accepted Answer

A) True 
 B)False

Question 17

If one species in a community is very common this will increase measures species diversity.

Accepted Answer

A) True 
 B)False

Question 18

The diversity-stability hypothesis supports the idea that pest outbreaks are less likely on cultivated land.

Accepted Answer

A) True 
 B)False

Question 19

In island biogeography, larger islands support ______ species than smaller islands.

Accepted Answer

A)   more
B)   fewer
C)   larger
D)   stranger
E)   smallerF) D) and E)
G) None of the above

Question 20

South Texas has the highest bird species richness in the continental United States.

Accepted Answer

A) True 
 B)False

Exam 58: Community Ecology

Species richness of birds in the continental United States is highest

Correct AnswerverifiedB

A metagenomic library is a typical tool of analyzing the flowering plants in a forest community.

Correct AnswerverifiedShow Answer

Much of the coast of the Indonesian island of Sumatra was devastated by the 2004 tsunami. The recovery of forests in that area is an example of

Correct AnswerverifiedShow Answer

Who developed the individualistic model?

Correct AnswerverifiedShow Answer

The intermediate-disturbance hypothesis predicts that the most species rich communities would contain

Correct AnswerverifiedShow Answer

Metagenomics offers a DNA-based method to understand

Correct AnswerverifiedShow Answer

The principle of species individuality suggests that in response to climate change, species should migrate

Correct AnswerverifiedShow Answer

When species diversity is calculated, what is being measured?

Correct AnswerverifiedShow Answer

Simberloff and Wilson carried out a famous experiment to study the recolonization by arthropods of small mangrove by islands after the islands were fumigated. One of their findings was

Correct AnswerverifiedShow Answer

The source pool for an island can be

Correct AnswerverifiedD

Tree species richness in the United States is highest in the southeast.

Correct AnswerverifiedShow Answer

In MacArthur and Wilson's island biogeography model, species richness is a balance between

Correct AnswerverifiedA

What is an area of the Earth's surface currently undergoing primary succession?

Correct AnswerverifiedShow Answer

In the organismic model, communities are superorganisms.

Correct AnswerverifiedShow Answer

The productivity and area hypotheses together suggest that a large, tropical continent would likely have __________ species richness.

Correct AnswerverifiedShow Answer

MacArthur and Wilson's island biogeography would predict that there would be more species in North America than in Greenland.

Correct AnswerverifiedShow Answer

If one species in a community is very common this will increase measures species diversity.

Correct AnswerverifiedShow Answer

The diversity-stability hypothesis supports the idea that pest outbreaks are less likely on cultivated land.

Correct AnswerverifiedShow Answer

In island biogeography, larger islands support ______ species than smaller islands.

Correct AnswerverifiedShow Answer

South Texas has the highest bird species richness in the continental United States.

Correct AnswerverifiedShow Answer

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B

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D

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A

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