AnswersFL-2001340-Environmental Science Sem 2Sustainability

Sustainability — Cumulative exam Answers

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101
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C4 and CAM plants are _______.

A
adaptations to arid environments
B
adaptations to moist environments
C
more common than C3 plants
D
less efficient at water conservation than C3 plants
102
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Which of the following about carbon sinks is not true?

A
They emit more carbon than they take in.
B
They take in more carbon they emit.
C
They store carbon from the atmosphere.
D
They include oceans and forests.
103

What are the two ways that organisms on the bottom of deep sea food chains acquire energy?

A
photosynthesis and chemosynthesis
B
chemosynthesis and marine snow
C
marine snow and photosynthesis
D
chemosynthesis and predation
104

Which of the following is not released by trees into the atmosphere?

A
oxygen
B
water vapor
C
ozone
D
none of the above
105

When researching online, as long as the gathered information is the result of a valid Internet search engine, it is not necessary to analyze it for bias.

A
T
B
F
106

The benefits of wildfires to forest ecosystems are greater than the disadvantages.

A
T
B
F
107

Photosynthesis occurs when _______.

A
plants absorb energy from carbon dioxide
B
plants absorb energy from sunlight
C
oxygen concentration in the atmosphere increases
D
all of the above
108

Which of the following are important products of rainforests?

A
timber
B
pharmaceuticals
C
oxygen
D
all of the above
109

Some factors that contribute to a person’s optimal personal health include nutrition, exercise, and genetics. Please select the best answer from the choices provided

A
T
B
F
110

Carnivores that feed on other carnivores are _______.

A
tertiary consumers
B
secondary consumers
C
primary consumers
D
producers
111

Which of the following organism does not gain energy from marine snow either directly or indirectly?

A
rays
B
crustaceans
C
chemosynthetic bacteria
D
sponges
112

Which of the following statements about water policy is true?

A
The United States does not regulate water quality.
B
Policies regulating water pollution and water quality have eliminated environmentalists concern about water.
C
Current laws in place about water policy would eliminate water quality problems if they were enforced.
D
The Clean Water Act has helped reduce water contamination, but further efforts are needed to maintain water quality.
113

Which of the following are benefits of fossil fuel use?

A
low cost
B
abundant
C
ease of use
D
all of the above
114

Geothermal energy is derived from the sun.

A
T
B
F
115

Which of the following best explains how a hurricane can increase an area’s susceptibility to future storms?

A
Storm surges cause massive damage to buildings along coastlines.
B
Hurricanes often flood coastal communities.
C
Hurricane strength winds cause large amounts of property damage.
D
Erosion caused by hurricanes can leave coasts more exposed to storms.
116

Which of the following statements about nuclear energy is true?

A
Nuclear energy cannot be contained nor controlled.
B
Nuclear energy is contained in nuclear bonds.
C
Nuclear energy is less efficient than other energy forms.
D
All of the above are true.
117

Which of the following statements about wetlands is not true?

A
There is more than one type of wetland.
B
Wetlands can contain either freshwater or saltwater.
C
Wetlands exist in a small range of climates.
D
Wetlands support a variety of organisms.
118

While an important source of freshwater, groundwater is not as widely used as rivers and springs.

A
T
B
F
119

Natural gas drilling locations are determined by _______.

A
random drilling
B
seismic surveys
C
natural gas dogs
D
satellite surveys
120

Desalination has no known negative impacts on the environment.

A
T
B
F

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