Question 1

Ecosystem ecology is primarily concerned with

Accepted Answer

A)   ecosystem stability.
B)   interactions among species.
C)   the synthesis of new forms of nutrients.
D)   patterns of species diversity.
E)   movement of energy and materials through organisms and their communities.F) All of the above
G) A) and B)

Question 2

Air pollutants can increase heritable mutations.

Accepted Answer

A) True 
 B)False

Question 3

Gross Primary Production =

Accepted Answer

A)   Net Primary Production
B)   Total Ecosystem Energy
C)   Respiration
D)   1/Net Primary Production
E)   Net Primary Production + Cellular RespirationF) B) and E)
G) D) and E)

Question 4

Biomass is always highest at the lower trophic levels.

Accepted Answer

A) True 
 B)False

Question 5

What is a major source of naturally produced sulfur in the atmosphere?

Accepted Answer

A)   burning of fossil fuels
B)   volcanic eruptions
C)   denitrification
D)   primary production
E)   the upwelling of deep ocean waterF) B) and E)
G) D) and E)

Question 6

Deforestation in areas like Madagascar can significantly affect the water cycle. Why is this?

Accepted Answer

A)   Less moisture is transpired into the atmosphere.
B)   It is more difficult for soil nutrients to leech into streams.
C)   Weathering of rocks and soil does not release nutrients to bind to water.
D)   The rate of evapotranspiration increases dramatically.
E)   Cloud cover will increase.F) B) and E)
G) A) and C)

Question 7

An oak tree can support hundreds of beetles, caterpillars and other primary consumers. This is an example of

Accepted Answer

A)   a pyramid of biomass.
B)   excessive levels of primary production.
C)   an unusually diverse group of primary consumers.
D)   primary parasitism.
E)   an inverted pyramid.F) C) and E)
G) B) and C)

Question 8

What are the two most important nutrients affecting production in aquatic ecosystems?

Accepted Answer

A)   oxygen and hydrogen
B)   carbon and oxygen
C)   carbon and iron
D)   nitrogen and phosphorus
E)   carbon and calciumF) None of the above
G) B) and E)

Question 9

In which of the following is primary productivity highest?

Accepted Answer

A)   tropical forests
B)   prairies
C)   cool deserts
D)   hot deserts
E)   the ArcticF) A) and B)
G) A) and E)

Exam 59: Ecosystems Ecology

What is a major source of naturally produced sulfur in the atmosphere?

Correct Answer
verified

Biomass is always highest at the lower trophic levels.

Correct Answer
verified

Ecosystem ecology is primarily concerned with

Correct Answer
verified

Air pollutants can increase heritable mutations.

Correct Answer
verified

Gross Primary Production =

Correct Answer
verified

What are the two most important nutrients affecting production in aquatic ecosystems?

Correct Answer
verified

Deforestation in areas like Madagascar can significantly affect the water cycle. Why is this?

Correct Answer
verified

In which of the following is primary productivity highest?

Correct Answer
verified

An oak tree can support hundreds of beetles, caterpillars and other primary consumers. This is an example of

Correct Answer
verified

Exam 59: Ecosystems Ecology

What is a major source of naturally produced sulfur in the atmosphere?

Correct AnswerverifiedShow Answer

Biomass is always highest at the lower trophic levels.

Correct AnswerverifiedShow Answer

Ecosystem ecology is primarily concerned with

Correct AnswerverifiedShow Answer

Air pollutants can increase heritable mutations.

Correct AnswerverifiedShow Answer

Gross Primary Production =

Correct AnswerverifiedShow Answer

What are the two most important nutrients affecting production in aquatic ecosystems?

Correct AnswerverifiedShow Answer

Deforestation in areas like Madagascar can significantly affect the water cycle. Why is this?

Correct AnswerverifiedShow Answer

In which of the following is primary productivity highest?

Correct AnswerverifiedShow Answer

An oak tree can support hundreds of beetles, caterpillars and other primary consumers. This is an example of

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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