AnswersEnvironmental Science ACumulative Exam

Cumulative Exam — Cumulative exam Answers

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1
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Which of the following is an aspect of the elastic rebound theory?

A
Energy built up when plates try to get past each other is released when plates break free.
B
Fault zones are often located near major population centers.
C
Earthquakes occurring along subduction zones cause tsunamis.
D
None of the above are aspects of the elastic rebound theory.
2
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Herbivores typically have monocular vision to allow them a wider range of vision, which helps them elude predators. What type of adaptation is this?

A
Behavior
B
Physiological
C
Biochemical
D
Ecological
3

Wind, solar and geothermal power are called renewable energy sources because _______.

A
tax breaks for these sources are renewed every year
B
they are continuously replenished
C
humans can replenish these sources periodically
D
they produce few toxic byproducts
4

Salt glands allow desert animals to reduce their water loss due to _______.

A
respiration
B
transpiration
C
evaporation
D
urination
5

Convert 145.0 mm to meters and express the answer to the correct number of significant digits.

A
0.1450 m
B
0.145 m
C
145,000 m
D
1.450 m
6

Butterflies laying their eggs on milkweed plants occurs at what level of the biosphere hierarchy?

A
ecosystem
B
biome
C
population
D
community
7

Which of the following about the ozone layer is not true?

A
The ozone layer is formed in the stratosphere.
B
The ozone layer helps sustain life by absorbing a large amount of incoming UV radiation.
C
Ozone in the troposphere is beneficial to living organisms.
D
Depletion of the ozone layer can lead to an increase in skin cancer.
8

Human impact on one system leads to changes in more of Earth’s systems.

A
T
B
F
9

A population’s size is unaffected by the available resource supply.

A
T
B
F
10

Pollution in the _______ will have the greatest effect on human health.

A
troposphere
B
stratosphere
C
mesosphere
D
thermosphere
11

Which of the following groups of environmental science careers are most similar?

A
Hydrologist, toxicologist, environmental lawyer
B
Environmental physician, environmental veterinarian
C
Environmental activist, oceanographer, ecologist
D
Oceanographer, Environmental journalist
12

What environmental factor does the pyramid of energy incorporate that prevents it from inverting?

A
population size
B
species turnover rate
C
biomass at each trophic level
D
level of consumption
13

Organisms that live in the savanna and grassland biomes have developed unique adaptations that aid in their survival. Which of the following organisms is most likely to be found in a grassland?

A
a bird that nests in trees
B
an animal that burrows
C
a large predatory cat
D
an animal not adapted to cold temperatures
14

Desert plants are often widely spaced due to competition for rainwater.

A
T
B
F
15

The experimentation step of scientific inquiry involves _______.

A
analyzing data
B
drawing a conclusion
C
choosing variables and controls
D
formulating a question
16

Determining alternate solutions to a problem is an important aspect of critical thinking because _______.

A
it means that the best solution to a problem can be implemented
B
it means that the easiest solution to a problem can be implemented
C
each person needs their own solution to a problem
D
conclusions must be adjusted when necessary
17

Fish do not live in the icy rivers of the tundra.

A
T
B
F
18

What aspect of chaparral shrubs is both a part of their natural defenses and the reason many are popular in cooking?

A
aromatic oils
B
small evergreen leaves
C
ability to thrive in nutrient-poor soil
D
seed germination after fires
19

All animals are _______.

A
producers
B
omnivores
C
herbivores
D
consumers
20

Which of the following would not be considered a point source pollution contributor?

A
an animal feedlot
B
cattle on rangeland
C
a paper mill
D
a slaughterhouse

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