AnswersWhites Environmental Science March 2 - 20_Section2Unit Test

Cumulative Final Exam Answers

28 verified answers5 views
41
Free Preview

Water conservation efforts have been wholly ineffective.

A
T
B
F
42
Free Preview

Which of the following statements about the phosphorus cycle is true?

A
In living organisms, phosphorus can be found in nucleic acids.
B
Phosphorus in aquatic ecosystems is only found in sediment.
C
Elevated levels of phosphorus in aquatic ecosystems is always beneficial.
D
The soil plays no part in the phosphorus cycle.
43

Bottom trawling is considered destructive because _______.

A
it destroys sea floor habitats
B
it depletes fish populations
C
it shatters deep-sea coral
D
all of the above
44

Which of the following about abiotic factors in ecosystems is true?

A
Abiotic factors in healthy ecosystems are not in balance.
B
Abiotic factors are located in the soil of ecosystems only.
C
Abiotic factors are part of a dynamic system.
D
Abiotic factors in ecosystems are used up by the living components.
45

Which of the following is a way that climate affects soil formation?

A
increased precipitation
B
warmer temperatures
C
increased winds
D
all of the above
46

When is the carbon stored in plants released?

A
during cellular respiration
B
during photosynthesis
C
when they die
D
none of the above
47

Using water more efficiently _______.

A
protects the environment
B
causes the loss of natural pollution filters
C
increases water contamination
D
all of the above
48

Which of the following will not contribute to resource conservation?

A
using solar power
B
recycling glass
C
using nuclear power
D
using biofuels
49

How is water transferred from the air to the ground?

A
transpiration
B
precipitation
C
evaporation
D
all of the above
50

Which of the following best explains why the Inuit principally relied on hunting for survival?

A
Tundra never thaws sufficiently for crops to grow.
B
Prey animals are more scarce in tundra regions.
C
The Inuit traditionally live near the coast.
D
None of the above
51

Which of the following statements about urban growth is true?

A
The rate of urban growth in the world is decreasing.
B
Urban sprawl is less environmentally damaging than upward growth.
C
Upward growth is less environmentally damaging than urban sprawl.
D
More people are moving away from cities than in previous years.
52

What is an advantage to alternative energy technology?

A
Using alternative energy technology increases the demand for fossil fuels.
B
Most alternative energy technologies use nonrenewable resources.
C
Alternative energy technology can reduce the environmental impact of burning fossil fuels.
D
There is no advantage to using an alternative energy technology.
53

Which of the following stages of urban development contributed to an increase in suburban living?

A
preindustrial
B
industrial
C
pedestrian
D
automobiles
54

The use of nonrenewable resources can help sustain poverty levels.

A
T
B
F
55

What characteristic is shared by both inceptisols and entisols, the soils of flood plains?

A
They both have well-developed soil horizons and profiles.
B
Both are young and only beginning to develop horizons and a soil profile.
C
They are both at the final stage of soil development.
D
None of the above
56

Which of the following best explains why humans need constant supplies of fresh water?

A
Humans need a constant supply of water to provide them with essential vitamins.
B
Humans need a constant supply of water to maintain proper hygiene.
C
Constant supplies of freshwater are needed because body water is continually being lost.
D
Constant supplies of freshwater are not actually necessary for survival.
57

The ozone layer is located in the _______.

A
troposphere
B
stratosphere
C
mesosphere
D
thermosphere
58

National parks reduce the human impact on land by _______.

A
permitting limited human development.
B
cleaning up litter
C
preventing human development
D
preventing companies from polluting on public lands
59

Forests are the largest terrestrial carbon sink.

A
T
B
F
60

Buffer zones _______.

A
can help regulate the acidity of aquatic ecosystems
B
help increase erosion rates
C
are set up around natural resource areas
D
all of the above

Did you find these answers helpful?

More from this Course

Quiz
38 verified answers

Unit Test