Question 1

Wetlands are valuable components of nature because they

Accepted Answer

A)  provide critical wildlife habitats.
B)  support bacteria that break down contaminants.
C)  store excess water and then release it slowly during drier times.
D)  perform all of these services.E) A) and B)
F) A) and C)

Question 2

A phreatophyte is a plant that

Accepted Answer

A)  becomes deciduous during dry times.
B)  carries on CAM photosynthesis.
C)  has extensive taproots.
D)  uses animals to help to disperse its seeds.E) All of the above
F) A) and B)

Question 3

A savanna differs from a steppe in that the grasses are

Accepted Answer

A)  intolerant to freezes in a savanna.
B)  only in riparian zones in a savanna.
C)  taller in a savanna.
D)  in drier areas in a savanna.E) None of the above
F) A) and D)

Question 4

An increase in the number of people living in the area included in the Investigation would most directly threaten the sustainability of

Accepted Answer

A)  the local drinking water supply.
B)  the type of bedrock.
C)  the temperature of the global ocean.
D)  regional atmospheric circulation.E) B) and C)
F) A) and D)

Question 5

In the diagram below,A is the

Accepted Answer

A)  hadal zone.
B)  mesopelagic zone.
C)  epipelagic zone.
D)  benthic zone.E) C) and D)
F) B) and D)

Question 6

The Redwoods of California are an example of

Accepted Answer

A)  coniferous evergreen forest.
B)  deciduous temperate forest.
C)  broadleaf evergreen forest.
D)  needleleaf deciduous forest.E) All of the above
F) A) and C)

Question 7

In which region in the map below are fauna similar even across islands because the areas within that region were once together as part of Gondwana?

Accepted Answer

A)  A
B)  B
C)  C
D)  DE) None of the above
F) B) and C)

Question 8

The effects of global climate change are magnified in mountainside environments because

Accepted Answer

A)  there are such narrow belts of different ecosystems that would shift abruptly.
B)  most climate models expect more significant warming in mountainous areas than elsewhere.
C)  soils are generally thicker in mountainous environments.
D)  biodiversity is generally less in mountainous environments than in adjacent flatlands.E) A) and B)
F) None of the above

Question 9

It is even more important to protect the boreal forest biome than most other biomes because they help reduce global warming in all of the following ways except

Accepted Answer

A)  preventing the release of methane trapped in peat and permafrost beneath the forest.
B)  storing massive amounts of carbon.
C)  being fire resistant.
D)  All of these are ways in which the boreal forest biome protects us from harmful effects of global warming.E) C) and D)
F) A) and B)

Question 10

Changes in the amount of forest in the area included in the Investigation could cause changes to

Accepted Answer

A)  the hydrologic cycle.
B)  erosion of soil.
C)  diversity in the local forest ecosystems.
D)  the amount of sunlight reaching the ground.
E)  All of these choices are correct.F) A) and B)
G) A) and C)

Question 11

Almost two-thirds of the world's tropical rain forests are found in which area on the map below?

Accepted Answer

A)  A
B)  B
C)  C
D)  DE) C) and D)
F) A) and B)

Question 12

The fact that the trees in central Alaska look like the trees in western Siberia,despite being separated by thousands of kilometers,illustrates the theory of

Accepted Answer

A)  convergent evolution.
B)  multiple origins.
C)  global dispersal.
D)  plate tectonics.E) A) and B)
F) All of the above

Question 13

In the diagram below,B is the

Accepted Answer

A)  hadal zone.
B)  mesopelagic zone.
C)  epipelagic zone.
D)  benthic zone.E) None of the above
F) B) and C)

Question 14

Which of the following does not belong?

Accepted Answer

A)  Hadley Cell
B)  Tropical rain forest biome
C)  Oxisol
D)  Stable atmosphereE) A) and C)
F) A) and B)

Question 15

Moving poleward,vegetation in the tundra biome grades from

Accepted Answer

A)  lichens to stunted trees to grasses.
B)  grasses to stunted trees to lichens.
C)  stunted trees to lichens to grasses.
D)  stunted trees to grasses to lichens.E) A) and D)
F) C) and D)

Question 16

In the map below,lavender represents

Accepted Answer

A)  temperate forest.
B)  tundra.
C)  boreal forest.
D)  grassland.E) All of the above
F) A) and C)

Question 17

The boreal forest biome is

Accepted Answer

A)  virtually absent in the Southern Hemisphere because there is little land at the appropriate latitudes and elevations for this climate.
B)  relatively minor in geographic extent compared to the rain forest and deciduous forest biomes.
C)  only a small source of storage of carbon.
D)  home to a great biodiversity of organisms compared with most other biomes.E) None of the above
F) A) and B)

Question 18

Organisms that live in estuaries like the one pictured below must be able to

Accepted Answer

A)  survive for part of their life in a lentic system and the other part of their life in a lotic system.
B)  tolerate a wide range of salinities.
C)  survive in both the epipelagic and hadal zones.
D)  derive energy when living near deep-sea thermal vents.E) All of the above
F) None of the above

Question 19

In the diagram below,C is the

Accepted Answer

A)  hadal zone.
B)  mesopelagic zone.
C)  epipelagic zone.
D)  benthic zone.E) C) and D)
F) All of the above

Question 20

The most likely reason that this building in the tundra environment has a failed foundation is that

Accepted Answer

A)  the permafrost beneath it has thawed.
B)  running water after a flood has swept it away.
C)  mass wasting processes have caused the soil to slump.
D)  a wind storm has detached the building from its foundation.E) None of the above
F) B) and C)

Exam 18: Biomes

Wetlands are valuable components of nature because they

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The boreal forest biome is

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In the diagram below,A is the

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Changes in the amount of forest in the area included in the Investigation could cause changes to

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Which of the following does not belong?

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Moving poleward,vegetation in the tundra biome grades from

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A savanna differs from a steppe in that the grasses are

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An increase in the number of people living in the area included in the Investigation would most directly threaten the sustainability of

Correct AnswerverifiedShow Answer

The effects of global climate change are magnified in mountainside environments because

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A phreatophyte is a plant that

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Almost two-thirds of the world's tropical rain forests are found in which area on the map below?

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The fact that the trees in central Alaska look like the trees in western Siberia,despite being separated by thousands of kilometers,illustrates the theory of

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In the diagram below,B is the

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In which region in the map below are fauna similar even across islands because the areas within that region were once together as part of Gondwana?

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It is even more important to protect the boreal forest biome than most other biomes because they help reduce global warming in all of the following ways except

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The Redwoods of California are an example of

Correct AnswerverifiedShow Answer

In the map below,lavender represents

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In the diagram below,C is the

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The most likely reason that this building in the tundra environment has a failed foundation is that

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Organisms that live in estuaries like the one pictured below must be able to

Correct AnswerverifiedShow Answer

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