Question 1

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

Accepted Answer

A) True 
 B)False

Question 2

The global climate has already warmed about 0.6 degrees Celsius since the Industrial Revolution.

Accepted Answer

A) True 
 B)False

Question 3

There are no reservoirs of carbon for the carbon cycle.

Accepted Answer

A) True 
 B)False

Question 4

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

Accepted Answer

A) True 
 B)False

Question 5

Hail and snow are examples of

Accepted Answer

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

Question 6

Diagram an ecological pyramid that consists of four trophic levels.Indicate the category of organisms at each level and provide an example of an organism for each category.

Accepted Answer

The 1st trophic level of an ecological p...

Question 7

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) A) and C)

Question 8

List and explain the six steps in the hydrological cycle.

Accepted Answer

1.Evaporation occurs as the sun causes f...

Question 9

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 D)
G) A) and E)

Question 10

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

Accepted Answer

A) True 
 B)False

Question 11

One 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 E)
G) A) and C)

Question 12

A detrital food web and a grazing food web are separate because each starts at a different level.

Accepted Answer

A) True 
 B)False

Question 13

Which term is analogous to the word "niche"?

Accepted Answer

A)   address
B)   job description
C)   properties
D)   needs
E)   desiresF) C) and D)
G) A) and B)

Question 14

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 C)
G) A) and E)

Question 15

Most ecosystems contain quaternary consumers.

Accepted Answer

A) True 
 B)False

Question 16

Both energy and chemicals cycle through an ecosystem.

Accepted Answer

A) True 
 B)False

Question 17

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

Question 18

When energy flows from one trophic level to another,only a small amount is actually used.Which of the following uses of energy by an organism allows for the least amount of transfer to a different trophic level?

Accepted Answer

A)   cellular respiration
B)   growth
C)   death
D)   excretion
E)   reproductionF) A) and B)
G) D) and E)

Question 19

Which of the following is associated with groundwater mining?

Accepted Answer

A)   aquifers
B)   standing water (lakes and ponds) 
C)   ice
D)   ocean
E)   runoffF) A) and D)
G) A) and B)

Question 20

Which of the following is not a greenhouse gas?

Accepted Answer

A)   oxygen
B)   carbon dioxide
C)   methane
D)   nitrous oxide
E)   hydrofluorocarbonsF) A) and B)
G) D) and E)

Exam 24: Ecology and the Nature of Ecosystems

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

Correct AnswerverifiedShow Answer

A detrital food web and a grazing food web are separate because each starts at a different level.

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

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

Correct AnswerverifiedShow Answer

Most ecosystems contain quaternary consumers.

Correct AnswerverifiedShow Answer

Which of the following is not a greenhouse gas?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

List and explain the six steps in the hydrological cycle.

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

Hail and snow are examples of

Correct AnswerverifiedShow Answer

Diagram an ecological pyramid that consists of four trophic levels.Indicate the category of organisms at each level and provide an example of an organism for each category.

Correct AnswerverifiedThe 1st trophic level of an ecological p...View AnswerShow Answer

The global climate has already warmed about 0.6 degrees Celsius since the Industrial Revolution.

Correct AnswerverifiedShow Answer

There are no reservoirs of carbon for the carbon cycle.

Correct AnswerverifiedShow Answer

What two characteristics define a biome?

Correct AnswerverifiedShow Answer

When energy flows from one trophic level to another,only a small amount is actually used.Which of the following uses of energy by an organism allows for the least amount of transfer to a different trophic level?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which term is analogous to the word "niche"?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following is associated with groundwater mining?

Correct AnswerverifiedShow Answer

Both energy and chemicals cycle through an ecosystem.

Correct AnswerverifiedShow Answer

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1.Evaporation occurs as the sun causes f...
View Answer

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The 1st trophic level of an ecological p...
View Answer

Correct Answer
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