Humans and the Energy Cycle Answers

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Which condition is a result of using an anaerobic digester?

A
increase in the road quality by coating with material from the anaerobic digester
B
increase in land fertility due to the addition of the nitrogen and phosphorous byproduct
C
increase in pulmonary diseases due to poor air quality from gases produced in cooking and heating
D
increase in the number of cattle supported by a given area of land
6

Which of the following best explains the factors that led to the dust bowl?

A
Humans had been farming the land for too long without droughts.
B
Temperatures suddenly increased and brought on drought conditions.
C
Poor farming techniques that killed the soil were combined with drought.
D
Humans employed bad soil management practices that were unsustainable.
7

The best determinant of how an individual measures their quality of life is _______.

A
family and friends
B
education
C
culture
D
demographics
8

Which of the following statement about energy and nutrients in an ecosystem is true?

A
Energy and nutrients flow in one direction through an ecosystem.
B
Energy and nutrients cycle through an ecosystem.
C
Energy cycles through an ecosystem, while nutrients flow in one direction.
D
Nutrients cycle through an ecosystem, while energy flows in one direction
9

The Inuit traditionally relied upon hunting and fishing for a majority of their food because _______.

A
prey animals were plentiful and easy to catch
B
their homelands were not suited to farming or gathering
C
hunting is healthier and easier than gathering
D
none of the above
10

Which of the following might not be considered a facet of a quality life?

A
financial resources
B
luxury goods
C
adequate nutrition
D
none of the above
12

Typically, areas with a high energy consumption are associated with a low quality of life.

A
T
B
F
13

Which of the following might not be considered a facet of a quality life?

A
financial resources
B
luxury goods
C
adequate nutrition
D
none of the above
15

Which of the following best describes the relationship between economic growth and energy use?

A
Increased energy use leads to increased economic growth.
B
Increased energy use leads to decreased economic growth.
C
Energy use is related to economic growth.
D
Energy use has no relationship to economic growth.
16

In an ecosystem, energy that flows to tertiary consumers ultimately originates from the sun.

A
T
B
F
17

The goal of the world resource simulation center is best described as _______.

A
solving current problems regarding world resource use
B
predicting the future impacts of resource use in the U.S.
C
determining how to manage global resources for all humanity
D
providing education tools for describing global resource use
18

The goal of the world resource simulation center is best described as _______.

A
solving current problems regarding world resource use
B
predicting the future impacts of resource use in the U.S.
C
determining how to manage global resources for all humanity
D
providing education tools for describing global resource use
19

Which of the following best describes the relationship between economic growth and energy use?

A
Increased energy use leads to increased economic growth.
B
Increased energy use leads to decreased economic growth.
C
Energy use is related to economic growth.
D
Energy use has no relationship to economic growth.

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