Question 1

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 sunlight 
A)  decomposers 
B)  soil type 
C)  amount of rainfall 
D)  temperature 
E)  amount of sunlight

Question 2

What is the reservoir for the water cycle?

Accepted Answer

A)  ocean 
B)  lakes and rivers 
C)  rainfall 
D)  aquifers 
A)  ocean 
B)  lakes and rivers 
C)  rainfall 
D)  aquifers

Question 3

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

Question 4

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 decay 
A)  by breathing 
B)  by cellular respiration 
C)  by photosynthesis 
D)  by combustion 
E)  by decay

Question 5

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

Accepted Answer

A) True 
 B)False

Question 6

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

Accepted Answer

A) True 
 B)False

Question 7

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. 
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.

Question 8

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. 
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.

Question 9

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

Question 10

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 temperature 
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 temperature

Question 11

What is at the beginning of a grazing food chain?

Accepted Answer

A)  detritus 
B)  earthworms 
C)  beetles 
D)  shrews 
E)  leaves 
A)  detritus 
B)  earthworms 
C)  beetles 
D)  shrews 
E)  leaves

Question 12

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. 
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.

Question 13

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)  runoff 
A)  aquifers 
B)  standing water (lakes and ponds) 
C)  groundwater table 
D)  ocean 
E)  runoff

Question 14

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

Accepted Answer

A) True 
 B)False

Question 15

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

Question 16

What is the loss of water from plants called?

Accepted Answer

A)  runoff 
B)  precipitation 
C)  evaporation 
D)  transpiration 
E)  transference 
A)  runoff 
B)  precipitation 
C)  evaporation 
D)  transpiration 
E)  transference

Question 17

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. 
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.

Question 18

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

Accepted Answer

A)  reservoir 
B)  exchange pool 
C)  biotic community 
A)  reservoir 
B)  exchange pool 
C)  biotic community

Question 19

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 land 
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 land

Question 20

Which of the following is not a greenhouse gas?

Accepted Answer

A)  oxygen 
B)  carbon dioxide 
C)  methane 
D)  nitrous oxide 
E)  hydrofluorocarbons 
A)  oxygen 
B)  carbon dioxide 
C)  methane 
D)  nitrous oxide 
E)  hydrofluorocarbons

Exam 23: Global Ecology and Human Interferences

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

What is the reservoir for the water cycle?

How does phosphate enter the soil?

How is carbon dioxide made available to living organisms?

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

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

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

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

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

What two characteristics define a biome?

What is at the beginning of a grazing food chain?

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

Which of the following is associated with groundwater mining?

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

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

What is the loss of water from plants called?

Cultural eutrophication can be caused by

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

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

Which of the following is not a greenhouse gas?

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