Question 1

Which of the following biogeochemical cycles is a sedimentary cycle?

Accepted Answer

A)   carbon
B)   nitrogen
C)   phosphorus
D)   water
E)   iceF) B) and C)
G) B) and D)

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

When a rabbit eats a bean plant, a portion of the available energy moves into the rabbit's body. When the rabbit is eaten by a hawk, a portion of the available energy moves into the hawk's body. Indicate the various areas that energy is used by an organism, and why only 10% of the rabbit's available energy will move to the hawk.

Accepted Answer

When an organism consumes energy, only 1...

Question 4

List and explain the six steps in the hydrological cycle.

Accepted Answer

1. Evaporation occurs as the sun causes ...

Question 5

What is involved in the process of denitrification?

Accepted Answer

A)   conversion of nitrogen gas to ammonium
B)   conversion of nitrogen gas to nitrate
C)   conversion of ammonium to nitrate
D)   conversion of nitrite to nitrate
E)   conversion of nitrate to nitrogen gasF) A) and E)
G) B) and C)

Question 6

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

Accepted Answer

A) True 
 B)False

Question 7

The ratio between the uptake of carbon dioxide by photosynthesis and the release of carbon dioxide by respiration is approximately

Accepted Answer

A)   1 i.e., about the same) .
B)   2 i.e., twice as much carbon dioxide is taken up by photosynthesis as is released by respiration) .
C)   5 i.e., five times as much carbon dioxide is taken up by photosynthesis as is released by respiration) .
D)   0.5 i.e., half as much carbon dioxide is taken up by photosynthesis as is released by respiration) .
E)   0.1 i.e., one-tenth as much carbon dioxide is taken up by photosynthesis as is released by respiration) . The transfer rates of these two is about even.F) C) and D)
G) B) and E)

Question 8

If the first-level carnivore consumes 500 kg of energy from 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 kgF) B) and D)
G) A) and C)

Question 9

Minerals in rocks are considered what type of component of a chemical cycle?

Accepted Answer

A)   reservoir
B)   exchange pool
C)   biotic community
D)   abiotic community
E)   none of theseF) B) and C)
G) All of the above

Question 10

Water vapor contributes to global warming.

Accepted Answer

A) True 
 B)False

Question 11

Assuming all of the following organisms are part of the same food web, which of the following would be an example of a secondary consumer?

Accepted Answer

A)   leaves
B)   caterpillars
C)   sparrows
D)   hawks
E)   eaglesF) A) and E)
G) A) and C)

Question 12

Which is an exchange pool for the carbon cycle?

Accepted Answer

A)   the ocean
B)   carbon dioxide in the atmosphere
C)   limestone
D)   fossil fuels
E)   soilF) B) and C)
G) A) and B)

Question 13

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) All of the above

Question 14

Most ecosystems contain quaternary consumers.

Accepted Answer

A) True 
 B)False

Question 15

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

Accepted Answer

A)   deer
B)   snake
C)   fox
D)   hawk
E)   bobcatF) A) and B)
G) A) and C)

Question 16

A biogeochemical cycle involves only the abiotic components of an ecosystem, and describes how chemicals circulate through those components.

Accepted Answer

A) True 
 B)False

Question 17

What is another name for the taiga?

Accepted Answer

A)   savanna
B)   tropical rain forest
C)   prairie
D)   coniferous forest
E)   tundraF) B) and D)
G) C) and E)

Question 18

As a rule of thumb, how much of the food energy taken in by an herbivore is passed on to a carnivore primary consumer) ?

Accepted Answer

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

Question 19

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) A) and D)
G) A) and C)

Question 20

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) B) and E)
G) All of the above

Exam 24: Ecology and the Nature of Ecosystems

What is another name for the taiga?

Correct Answer
verified

List and explain the six steps in the hydrological cycle.

Correct Answer
verified
1. Evaporation occurs as the sun causes ...
View Answer

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

Correct Answer
verified

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

Correct Answer
verified

The ratio between the uptake of carbon dioxide by photosynthesis and the release of carbon dioxide by respiration is approximately

Correct Answer
verified

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

Correct Answer
verified

A biogeochemical cycle involves only the abiotic components of an ecosystem, and describes how chemicals circulate through those components.

Correct Answer
verified

As a rule of thumb, how much of the food energy taken in by an herbivore is passed on to a carnivore primary consumer) ?

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

Which is an exchange pool for the carbon cycle?

Correct Answer
verified

Minerals in rocks are considered what type of component of a chemical cycle?

Correct Answer
verified

Assuming all of the following organisms are part of the same food web, which of the following would be an example of a secondary consumer?

Correct Answer
verified

Which of the following biogeochemical cycles is a sedimentary cycle?

Correct Answer
verified

Water vapor contributes to global warming.

Correct Answer
verified

Most ecosystems contain quaternary consumers.

Correct Answer
verified

What is involved in the process of denitrification?

Correct Answer
verified

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

Correct Answer
verified

Correct Answer
verified
When an organism consumes energy, only 1...
View Answer

Exam 24: Ecology and the Nature of Ecosystems

What is another name for the taiga?

Correct AnswerverifiedShow Answer

List and explain the six steps in the hydrological cycle.

Correct Answerverified1. Evaporation occurs as the sun causes ...View AnswerShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The ratio between the uptake of carbon dioxide by photosynthesis and the release of carbon dioxide by respiration is approximately

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

A biogeochemical cycle involves only the abiotic components of an ecosystem, and describes how chemicals circulate through those components.

Correct AnswerverifiedShow Answer

As a rule of thumb, how much of the food energy taken in by an herbivore is passed on to a carnivore primary consumer) ?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which is an exchange pool for the carbon cycle?

Correct AnswerverifiedShow Answer

Minerals in rocks are considered what type of component of a chemical cycle?

Correct AnswerverifiedShow Answer

Assuming all of the following organisms are part of the same food web, which of the following would be an example of a secondary consumer?

Correct AnswerverifiedShow Answer

Which of the following biogeochemical cycles is a sedimentary cycle?

Correct AnswerverifiedShow Answer

Water vapor contributes to global warming.

Correct AnswerverifiedShow Answer

Most ecosystems contain quaternary consumers.

Correct AnswerverifiedShow Answer

What is involved in the process of denitrification?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Correct AnswerverifiedWhen an organism consumes energy, only 1...View AnswerShow Answer

Correct Answer
verified

Correct Answer
verified
1. Evaporation occurs as the sun causes ...
View Answer

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Correct Answer
verified
When an organism consumes energy, only 1...
View Answer