Question 1

Streams lead to rivers that carry water and sediment toward the ocean or an interior basin.

Accepted Answer

A) True 
 B)False

Question 2

The reason why a "rain shadow" is called that is that it is on the

Accepted Answer

A)  downwind side and has a wetter climate than the upwind side of the mountain.
B)  upwind side and has a drier climate than the downwind side of the mountain.
C)  downwind side and has a drier climate than the upwind side of the mountain.
D)  upwind side and has a wetter climate than the downwind side of the mountain.E) B) and C)
F) A) and D)

Question 3

Zooplankton are what?

Accepted Answer

A)  tertiary consumers
B)  secondary consumers
C)  producers
D)  decomposers
E)  primary consumersF) B) and E)
G) B) and D)

Question 4

Water covers about ______ of the Earth's surface.

Accepted Answer

A)  33%
B)  40%
C)  50%
D)  70%
E)  80%F) B) and E)
G) A) and E)

Question 5

In ______,multiple species use the same resource in a slightly different way or at a different time.

Accepted Answer

A)  symbiotic inclusion
B)  resource partitioning
C)  mutualism
D)  intraspecific competition
E)  No answer is correct.F) A) and B)
G) B) and C)

Question 6

A food chain is a series of organisms that

Accepted Answer

A)  successively transfer energy,initially from the sun,to nutrition from eating others.
B)  share the same niche.
C)  exhibit mutualism with each other.
D)  share the same energy source.
E)  succeed one another as a climax community develops.F) A) and B)
G) A) and D)

Question 7

Species that are the first to colonize an area are termed

Accepted Answer

A)  keystone species.
B)  primary species.
C)  tertiary species.
D)  pioneer species.
E)  secondary species.F) B) and C)
G) A) and D)

Question 8

Why are top-level predators like lions and eagles so rare in a community?

Accepted Answer

A)  Only a small amount of the energy is passed from one trophic level to the next.
B)  They do not breed as fast as other animals.
C)  Predation by higher predators reduces their numbers.
D)  It is difficult for them to learn how to capture prey.
E)  Their job is to keep the population size of other animals in check.F) C) and D)
G) B) and C)

Question 9

The upper and lower tidal zones in which the barnacles Balanus and Chthalamus thrive when both species are present illustrate the principle of

Accepted Answer

A)  symbiotic inclusion.
B)  parasitism.
C)  oceanic restriction.
D)  competitive exclusion.
E)  No answer is correct.F) A) and B)
G) C) and D)

Question 10

If an insect evolves a leaf-like appearance to avoid predation,its predator might then coevolve a means to detect it in spite of this

Accepted Answer

A)  camouflage.
B)  warning coloration.
C)  mimicry.
D)  chemical defense.
E)  mutualism.F) B) and E)
G) B) and D)

Question 11

Which item helps compose a living thing rather then being a major component of soil?

Accepted Answer

A)  rock fragments
B)  organic matter
C)  microbes
D)  bacteria
E)  chloroplastsF) A) and E)
G) C) and E)

Question 12

Trees that lose only a few leaves at a time are

Accepted Answer

A)  deciduous trees.
B)  carnivorous trees.
C)  maple trees.
D)  hickory trees.
E)  coniferous trees.F) A) and E)
G) B) and D)

Question 13

Which ecosystem has a very high net primary productivity?

Accepted Answer

A)  desert
B)  tropical rain forest
C)  temperate forest
D)  boreal forest
E)  tundraF) B) and D)
G) C) and E)

Question 14

Raw sewage affects nutrient flow through and ecosystem more than energy flow.

Accepted Answer

A) True 
 B)False

Exam 19: Communities and Ecosystems

Which ecosystem has a very high net primary productivity?

Correct Answer
verified

The reason why a "rain shadow" is called that is that it is on the

Correct Answer
verified

Which item helps compose a living thing rather then being a major component of soil?

Correct Answer
verified

If an insect evolves a leaf-like appearance to avoid predation,its predator might then coevolve a means to detect it in spite of this

Correct Answer
verified

In ______,multiple species use the same resource in a slightly different way or at a different time.

Correct Answer
verified

Species that are the first to colonize an area are termed

Correct Answer
verified

Raw sewage affects nutrient flow through and ecosystem more than energy flow.

Correct Answer
verified

Why are top-level predators like lions and eagles so rare in a community?

Correct Answer
verified

Water covers about ______ of the Earth's surface.

Correct Answer
verified

Zooplankton are what?

Correct Answer
verified

Trees that lose only a few leaves at a time are

Correct Answer
verified

A food chain is a series of organisms that

Correct Answer
verified

The upper and lower tidal zones in which the barnacles Balanus and Chthalamus thrive when both species are present illustrate the principle of

Correct Answer
verified

Streams lead to rivers that carry water and sediment toward the ocean or an interior basin.

Correct Answer
verified

Exam 19: Communities and Ecosystems

Which ecosystem has a very high net primary productivity?

Correct AnswerverifiedShow Answer

The reason why a "rain shadow" is called that is that it is on the

Correct AnswerverifiedShow Answer

Which item helps compose a living thing rather then being a major component of soil?

Correct AnswerverifiedShow Answer

If an insect evolves a leaf-like appearance to avoid predation,its predator might then coevolve a means to detect it in spite of this

Correct AnswerverifiedShow Answer

In ______,multiple species use the same resource in a slightly different way or at a different time.

Correct AnswerverifiedShow Answer

Species that are the first to colonize an area are termed

Correct AnswerverifiedShow Answer

Raw sewage affects nutrient flow through and ecosystem more than energy flow.

Correct AnswerverifiedShow Answer

Why are top-level predators like lions and eagles so rare in a community?

Correct AnswerverifiedShow Answer

Water covers about ______ of the Earth's surface.

Correct AnswerverifiedShow Answer

Zooplankton are what?

Correct AnswerverifiedShow Answer

Trees that lose only a few leaves at a time are

Correct AnswerverifiedShow Answer

A food chain is a series of organisms that

Correct AnswerverifiedShow Answer

The upper and lower tidal zones in which the barnacles Balanus and Chthalamus thrive when both species are present illustrate the principle of

Correct AnswerverifiedShow Answer

Streams lead to rivers that carry water and sediment toward the ocean or an interior basin.

Correct AnswerverifiedShow Answer

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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Correct Answer
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Correct Answer
verified

Correct Answer
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