Question 1

Temperature is perhaps the most important factor in the distribution of organisms because

Accepted Answer

A)  water is scarcer in warmer environments.
B)  most organisms are unable to regulate their body temperature precisely.
C)  many organisms are able to grow faster in warmer climates.
D)  the metabolic optimum for endothermic animals is in temperate areas.
E)  wind amplifies the effect of cool temperatures.F) A) and C)
G) A) and E)

Question 2

The number of aquatic species increases in acidic waters.

Accepted Answer

A) True 
 B)False

Question 3

What is most likely to be a common adaptation of coastal plants that grow on sand dunes?

Accepted Answer

A)  deep roots to extract moisture.
B)  broad leaves for enhanced photosynthesis.
C)  ability to use blue-green light for photosynthesis.
D)  increased transpiration of water.
E)  elevated growth rates.F) B) and E)
G) A) and B)

Question 4

The same biome cannot occur on more than one continent.

Accepted Answer

A) True 
 B)False  False

Question 5

What factor would you expect to show the largest difference between the coral reef and intertidal biomes?

Accepted Answer

A)  Animal species diversity
B)  Plant species diversity
C)  Temperature variation
D)  Water pH
E)  SalinityF) All of the above
G) A) and D)

Question 6

All rain forests are tropical.

Accepted Answer

A) True 
 B)False

Question 7

You discover a genus of lizards that contains two extinct species and five living species.The oldest fossils from the genus belong to the two extinct species,and are known only from the Ethiopian biogeographical region.Two of the living species are found only in the Neotropical biogeographic region and the other three are found only in the Australian biogeographic region.Fossil records confirm that all living species are native to the areas they currently inhabit.What is the most reasonable conclusion about the evolution of these lizard species?

Accepted Answer

A)  The Neotropical and Australian lineages do not share a common ancestor,but evolved independently through convergent evolution.
B)  The Neotropical and Australian lineages share a common ancestor,who originated in the Neotropical region.
C)  The Neotropical and Australian lineages share a common ancestor,who originated in the Australian region.
D)  The Neotropical and Australian lineages share a common ancestor,who originated in the Ethiopian region.
E)  The Neotropical and Australian lineages share a common ancestor,which originated in the Palearctic region.F) A) and E)
G) None of the above

Question 8

The sea heats and cools

Accepted Answer

A)  more quickly than the land.
B)  more slowly than the land.
C)  at the same rate as the land.D) All of the above
E) B) and C)

Question 9

What naturally occurring process is responsible for keeping the earth warm enough to sustain life?

Accepted Answer

A)  Oceanic currents
B)  Decomposition
C)  Greenhouse effect
D)  Wildfires
E)  Atmospheric circulationF) A) and D)
G) C) and D) C

Question 10

The range of the sugar maple could decrease in response to warming due to climate change.

Accepted Answer

A) True 
 B)False

Question 11

In aquatic environments,at what range does photosynthesis take place?

Accepted Answer

A)  0-10 m
B)  50-100 m
C)  0-100 m
D)  100-500 m
E)  0-1000 mF) A) and B)
G) B) and C)

Question 12

The optimal pH range for most freshwater fishes and invertebrates is

Accepted Answer

A)  2 - 6.
B)  2 - 4.
C)  4 - 6.
D)  6 - 9.
E)  8 - 11.F) B) and E)
G) A) and C)

Question 13

The serotinous cones of the longleaf pine,Pinus palustris,depend on _____ to release their seeds.

Accepted Answer

A)  daylight
B)  extended freezes
C)  sustained rainfall
D)  fire
E)  animalsF) A) and D)
G) A) and C) D

Question 14

The Intergovernmental Panel on Climate Change reported in 2007 that atmospheric carbon dioxide levels will nearly double by the end of this century.If this happens,what will be the atmospheric concentration of carbon dioxide?

Accepted Answer

A)  2.0 ppm
B)  3.5 ppm
C)  385 ppm
D)  560 ppm
E)  700 ppmF) B) and C)
G) B) and D)

Question 15

Which of the following is a characteristic of tundra?

Accepted Answer

A)  temperate climate
B)  dry climate
C)  more than 100 cm of rain a year
D)  long growing season
E)  found at low latitudesF) A) and C)
G) None of the above

Question 16

Most of Europe is in the ______ biome.

Accepted Answer

A)  cold desert
B)  taiga
C)  temperate deciduous forest
D)  tundra
E)  tropical deciduous forestF) A) and C)
G) None of the above

Question 17

Why are red algae found in deeper oceanic waters?

Accepted Answer

A)  They possess pigments that allow them to utilize red light.
B)  They are able to utilize the more saline deep water.
C)  Red algae prefer the warmer deep water.
D)  They possess pigments that allow them utilize blue-green-light.
E)  Fewer algae predators are found in deeper water.F) C) and E)
G) C) and D)

Question 18

Temperature tends to decline with longitude.

Accepted Answer

A) True 
 B)False

Question 19

How would you best explain the existence of a mountain range which runs east-to-west and has abundant conifer trees,ferns,and mosses on the east side,but only sparse shrubby plants on the west side?

Accepted Answer

A)  Adiabatic cooling leads to temperature gradients that produce the differing plant communities.
B)  Differences in solar intensity produce the differing plant communities.
C)  Precipitation differences due to a rain shadow on the west side produce the differing plant communities.
D)  Differences in the specific heat of the two sides of the mountain produce the differing plant communities.E) None of the above
F) All of the above

Question 20

What will be a consequence if current predictions of global warming are accurate?

Accepted Answer

A)  Rates of natural selection will decrease.
B)  New continental land masses will appear.
C)  Freshwater will be more widely available.
D)  Organisms will need to migrate or adapt quickly in order to survive.
E)  Many plants and animals will become smaller.F) C) and E)
G) B) and D)

Exam 43: Ecology and the Physical Environment

Temperature is perhaps the most important factor in the distribution of organisms because

Correct Answer
verified

The number of aquatic species increases in acidic waters.

Correct Answer
verified

What is most likely to be a common adaptation of coastal plants that grow on sand dunes?

Correct Answer
verified

The same biome cannot occur on more than one continent.

Correct Answer
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False

What factor would you expect to show the largest difference between the coral reef and intertidal biomes?

Correct Answer
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All rain forests are tropical.

Correct Answer
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The sea heats and cools

Correct Answer
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What naturally occurring process is responsible for keeping the earth warm enough to sustain life?

Correct Answer
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C

The range of the sugar maple could decrease in response to warming due to climate change.

Correct Answer
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In aquatic environments,at what range does photosynthesis take place?

Correct Answer
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The optimal pH range for most freshwater fishes and invertebrates is

Correct Answer
verified

The serotinous cones of the longleaf pine,Pinus palustris,depend on _____ to release their seeds.

Correct Answer
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D

The Intergovernmental Panel on Climate Change reported in 2007 that atmospheric carbon dioxide levels will nearly double by the end of this century.If this happens,what will be the atmospheric concentration of carbon dioxide?

Correct Answer
verified

Which of the following is a characteristic of tundra?

Correct Answer
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Most of Europe is in the ______ biome.

Correct Answer
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Why are red algae found in deeper oceanic waters?

Correct Answer
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Temperature tends to decline with longitude.

Correct Answer
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How would you best explain the existence of a mountain range which runs east-to-west and has abundant conifer trees,ferns,and mosses on the east side,but only sparse shrubby plants on the west side?

Correct Answer
verified

What will be a consequence if current predictions of global warming are accurate?

Correct Answer
verified

Exam 43: Ecology and the Physical Environment

Temperature is perhaps the most important factor in the distribution of organisms because

Correct AnswerverifiedShow Answer

The number of aquatic species increases in acidic waters.

Correct AnswerverifiedShow Answer

What is most likely to be a common adaptation of coastal plants that grow on sand dunes?

Correct AnswerverifiedShow Answer

The same biome cannot occur on more than one continent.

Correct AnswerverifiedFalse

What factor would you expect to show the largest difference between the coral reef and intertidal biomes?

Correct AnswerverifiedShow Answer

All rain forests are tropical.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

The sea heats and cools

Correct AnswerverifiedShow Answer

What naturally occurring process is responsible for keeping the earth warm enough to sustain life?

Correct AnswerverifiedC

The range of the sugar maple could decrease in response to warming due to climate change.

Correct AnswerverifiedShow Answer

In aquatic environments,at what range does photosynthesis take place?

Correct AnswerverifiedShow Answer

The optimal pH range for most freshwater fishes and invertebrates is

Correct AnswerverifiedShow Answer

The serotinous cones of the longleaf pine,Pinus palustris,depend on _____ to release their seeds.

Correct AnswerverifiedD

The Intergovernmental Panel on Climate Change reported in 2007 that atmospheric carbon dioxide levels will nearly double by the end of this century.If this happens,what will be the atmospheric concentration of carbon dioxide?

Correct AnswerverifiedShow Answer

Which of the following is a characteristic of tundra?

Correct AnswerverifiedShow Answer

Most of Europe is in the ______ biome.

Correct AnswerverifiedShow Answer

Why are red algae found in deeper oceanic waters?

Correct AnswerverifiedShow Answer

Temperature tends to decline with longitude.

Correct AnswerverifiedShow Answer

How would you best explain the existence of a mountain range which runs east-to-west and has abundant conifer trees,ferns,and mosses on the east side,but only sparse shrubby plants on the west side?

Correct AnswerverifiedShow Answer

What will be a consequence if current predictions of global warming are accurate?

Correct AnswerverifiedShow Answer

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False

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C

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D

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