Question 1

What is the advantage of constructing an ecological pyramid based on biomass?

Accepted Answer

A)   Aquatic ecosystem pyramids actually look like pyramids.
B)   Size of the various organisms is eliminated as a factor.
C)   This includes the detrital food web as well as the grazing food web in one pyramid.
D)   This takes into account nutrient cycling as well as energy flow.
E)   This eliminates the need to include producers in the pyramid.F) D) and E)
G) A) and B)

Question 2

To say that something is a producer is to give information regarding its niche in an ecosystem.

Accepted Answer

A) True 
 B)False

Question 3

What is at the beginning of a grazing food chain?

Accepted Answer

A)   detritus
B)   earthworms
C)   beetles
D)   shrews
E)   leavesF) A) and B)
G) A) and E)

Question 4

Once of the consequences of building roads,parking lots,and buildings is

Accepted Answer

A)   increased evaporation from the ocean.
B)   decreased precipitation over the oceans and the land.
C)   increased transpiration of plants in the vicinity.
D)   increased runoff into nearby streams, lakes, wetlands, or the ocean.
E)   a decrease in the level of the water table.F) A) and B)
G) C) and E)

Question 5

Almost 100% of the energy taken in by plants from the sun is available to an ecosystem.

Accepted Answer

A) True 
 B)False

Question 6

Which of the following is associated with groundwater mining?

Accepted Answer

A)   aquifers
B)   standing water (lakes and ponds) 
C)   groundwater table
D)   ocean
E)   runoffF) None of the above
G) B) and E)

Question 7

What two characteristics define a biome?

Accepted Answer

A)   temperature and the types of plants found there
B)   amount of precipitation and the types of plants found there
C)   temperature and rainfall
D)   latitude and rainfall
E)   altitude and temperatureF) B) and D)
G) C) and D)

Question 8

Which of the following is not an abiotic component of an ecosystem?

Accepted Answer

A)   decomposers
B)   soil type
C)   amount of rainfall
D)   temperature
E)   amount of sunlightF) A) and B)
G) A) and C)

Question 9

Which is the following functions of an herbivore provides energy that becomes available to the carnivore that eats the herbivore?

Accepted Answer

A)   excretion
B)   defecation
C)   growth and reproduction
D)   cellular respiration
E)   deathF) B) and E)
G) A) and E)

Question 10

Which of the following is not a greenhouse gas?

Accepted Answer

A)   oxygen
B)   carbon dioxide
C)   methane
D)   nitrous oxide
E)   hydrofluorocarbonsF) None of the above
G) C) and E)

Question 11

How does phosphate enter the soil?

Accepted Answer

A)   conversion in the atmosphere due to lightning
B)   precipitation from clouds
C)   weathering of rocks
D)   photosynthesis
E)   cellular respirationF) A) and E)
G) B) and E)

Question 12

What do autotrophs require in order to produce food for themselves and all the heterotrophs?

Accepted Answer

A)   sunlight, inorganic nutrients
B)   sunlight, organic nutrients
C)   an energy source, water
D)   an energy source, inorganic nutrients
E)   heat, waterF) A) and B)
G) A) and E)

Question 13

Cultural eutrophication can be caused by

Accepted Answer

A)   respiration and transpiration.
B)   mercury from industrial sources.
C)   bacteria and viruses from sewage and barnyard waste.
D)   detergents, fertilizers, and sewage treatment plants.
E)   biological magnification.F) B) and D)
G) None of the above

Question 14

What is the reservoir for the water cycle?

Accepted Answer

A)   ocean
B)   lakes and rivers
C)   rainfall
D)   aquifersE) B) and C)
F) A) and B)

Question 15

Phosphorus is needed by living organisms because it is a part of proteins.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following is not an effect of global warming?

Accepted Answer

A)   rise in sea level
B)   expansion of forests in the temperate zones
C)   melting of glaciers
D)   wetter coastal regions
E)   flooding of coastal agricultural landF) B) and C)
G) C) and D)

Question 17

The atmosphere would be considered what component of a chemical cycle?

Accepted Answer

A)   reservoir
B)   exchange pool
C)   biotic communityD) None of the above
E) All of the above

Question 18

The conditions that define a tropical grassland,such as a savanna,are

Accepted Answer

A)   low to high temperatures and low annual rainfall.
B)   high temperatures and moderate/seasonal rainfall.
C)   low average temperature but moderate rainfall.
D)   high average temperature and large amounts of annual rainfall.
E)   low to high temperatures and large amounts of annual rainfall.F) B) and E)
G) A) and D)

Question 19

What is the loss of water from plants called?

Accepted Answer

A)   runoff
B)   precipitation
C)   evaporation
D)   transpiration
E)   transferenceF) D) and E)
G) B) and D)

Question 20

How is carbon dioxide made available to living organisms?

Accepted Answer

A)   by breathing
B)   by cellular respiration
C)   by photosynthesis
D)   by combustion
E)   by decayF) A) and B)
G) B) and E)

Exam 23: Global Ecology and Human Interferences

Cultural eutrophication can be caused by

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What is the advantage of constructing an ecological pyramid based on biomass?

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How is carbon dioxide made available to living organisms?

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To say that something is a producer is to give information regarding its niche in an ecosystem.

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What is the loss of water from plants called?

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What is the reservoir for the water cycle?

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How does phosphate enter the soil?

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The conditions that define a tropical grassland,such as a savanna,are

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Almost 100% of the energy taken in by plants from the sun is available to an ecosystem.

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What do autotrophs require in order to produce food for themselves and all the heterotrophs?

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Which of the following is not an abiotic component of an ecosystem?

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Phosphorus is needed by living organisms because it is a part of proteins.

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Which of the following is not a greenhouse gas?

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What two characteristics define a biome?

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Which of the following is associated with groundwater mining?

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Which of the following is not an effect of global warming?

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What is at the beginning of a grazing food chain?

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Which is the following functions of an herbivore provides energy that becomes available to the carnivore that eats the herbivore?

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The atmosphere would be considered what component of a chemical cycle?

Correct AnswerverifiedShow Answer

Once of the consequences of building roads,parking lots,and buildings is

Correct AnswerverifiedShow Answer

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