Question 1

How much of the food energy taken in by an herbivore is passed on to a carnivore?

Accepted Answer

A)  1% 
B)  5% 
C)  10% 
D)  50% 
E)  90% 
A)  1% 
B)  5% 
C)  10% 
D)  50% 
E)  90%

Question 2

Do all ecological pyramids actually look like a pyramid?

Accepted Answer

NO
Explanation: No, because in some inst

Question 3

How is the nitrogen cycle like the carbon cycle?

Accepted Answer

A)  Both are gaseous cycles. 
B)  Both require photosynthesis to utilize the chemical. 
C)  Both are lost to the atmosphere during cellular respiration. 
D)  Both are stored in fossil fuels. 
E)  Neither has a reservoir in nature. 
A)  Both are gaseous cycles. 
B)  Both require photosynthesis to utilize the chemical. 
C)  Both are lost to the atmosphere during cellular respiration. 
D)  Both are stored in fossil fuels. 
E)  Neither has a reservoir in nature.

Question 4

There is more nitrogen gas in the atmosphere than there is oxygen.

Accepted Answer

A) True 
 B)False

Question 5

Which of the following is a legume involved in housing nitrogen-fixing bacteria?

Accepted Answer

A)  ferns 
B)  oak trees 
C)  grass 
D)  beans 
E)  roses 
A)  ferns 
B)  oak trees 
C)  grass 
D)  beans 
E)  roses

Question 6

Biological magnification occurs as organisms get larger due to increased water,air,and soil pollution.

Accepted Answer

A) True 
 B)False

Question 7

What is the direct source of carbon for algae?

Accepted Answer

A)  calcium carbonate 
B)  calcium chloride 
C)  bicarbonate 
D)  carbon dioxide 
E)  carbon monoxide 
A)  calcium carbonate 
B)  calcium chloride 
C)  bicarbonate 
D)  carbon dioxide 
E)  carbon monoxide

Question 8

What organism would be at the second level in a detrital food chain?

Accepted Answer

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

Question 9

Both energy and chemicals cycle through an ecosystem.

Accepted Answer

A) True 
 B)False

Question 10

All of the energy in an ecosystem eventually becomes

Accepted Answer

A)  sunlight. 
B)  feces. 
C)  heat. 
D)  detritus. 
E)  body mass. 
A)  sunlight. 
B)  feces. 
C)  heat. 
D)  detritus. 
E)  body mass.

Question 11

Which of the following organisms is a secondary consumer?

Accepted Answer

A)  leaves 
B)  caterpillars 
C)  sparrows 
D)  hawks 
A)  leaves 
B)  caterpillars 
C)  sparrows 
D)  hawks

Question 12

If the first-level carnivores consumes 500 kg of herbivore tissue,how much is available to the second-level carnivores?

Accepted Answer

A)  500 kg 
B)  100 kg 
C)  50 kg 
D)  10 kg 
E)  5 kg 
A)  500 kg 
B)  100 kg 
C)  50 kg 
D)  10 kg 
E)  5 kg

Question 13

Water vapor contributes to global warming.

Accepted Answer

A) True 
 B)False

Question 14

Which of the following is on the same trophic level as a rabbit?

Accepted Answer

A)  deer 
B)  snake 
C)  fox 
D)  hawk 
E)  beetle 
A)  deer 
B)  snake 
C)  fox 
D)  hawk 
E)  beetle

Question 15

Which term is analogous to the word "niche"?

Accepted Answer

A)  address 
B)  job description 
C)  properties 
D)  needs 
E)  desires 
A)  address 
B)  job description 
C)  properties 
D)  needs 
E)  desires

Question 16

What kind of an organism is an earthworm?

Accepted Answer

A)  producer 
B)  herbivore 
C)  carnivore 
D)  omnivore 
E)  detritus feeder 
A)  producer 
B)  herbivore 
C)  carnivore 
D)  omnivore 
E)  detritus feeder

Question 17

Most ecosystems contain quaternary consumers.

Accepted Answer

A) True 
 B)False

Question 18

Life on Earth is dependent on a continued input of energy from the sun.

Accepted Answer

A) True 
 B)False

Question 19

What is another name for autotrophs?

Accepted Answer

A)  herbivores 
B)  carnivores 
C)  omnivores 
D)  producers 
E)  detritus feeders 
A)  herbivores 
B)  carnivores 
C)  omnivores 
D)  producers 
E)  detritus feeders

Question 20

Hail and snow are considered

Accepted Answer

A)  evaporation. 
B)  precipitation. 
C)  runoff. 
D)  transpiration. 
E)  aquifers. 
A)  evaporation. 
B)  precipitation. 
C)  runoff. 
D)  transpiration. 
E)  aquifers.

Exam 23: Global Ecology and Human Interferences

How much of the food energy taken in by an herbivore is passed on to a carnivore?

Do all ecological pyramids actually look like a pyramid?

How is the nitrogen cycle like the carbon cycle?

There is more nitrogen gas in the atmosphere than there is oxygen.

Which of the following is a legume involved in housing nitrogen-fixing bacteria?

Biological magnification occurs as organisms get larger due to increased water,air,and soil pollution.

What is the direct source of carbon for algae?

What organism would be at the second level in a detrital food chain?

Both energy and chemicals cycle through an ecosystem.

All of the energy in an ecosystem eventually becomes

Which of the following organisms is a secondary consumer?

If the first-level carnivores consumes 500 kg of herbivore tissue,how much is available to the second-level carnivores?

Water vapor contributes to global warming.

Which of the following is on the same trophic level as a rabbit?

Which term is analogous to the word "niche"?

What kind of an organism is an earthworm?

Most ecosystems contain quaternary consumers.

Life on Earth is dependent on a continued input of energy from the sun.

What is another name for autotrophs?

Hail and snow are considered

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