AnswersFA Vandergrift Environmental Science 2026-27Cumulative Exam

Cumulative Exam — Cumulative exam Answers

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41
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The following graph compares the greenhouse gas emissions from different forms of electricity production.Which conclusion is supported by the information in the graph?

Question illustration
A
Nuclear power releases less greenhouse gases than other forms of power.
B
Nuclear power releases an average amount of greenhouse gases.
C
Nuclear power releases no greenhouse gases.
D
Nuclear power releases more greenhouse gases than other forms of power.
42
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All animals are _______.

A
producers
B
omnivores
C
herbivores
D
consumers
43

There is little variety among organisms found in pools, ponds, and lakes.

A
T
B
F
44

The introduction of Caulerpa, also known as killer algae, into California was ultimately the result of _______.

A
hull fouling
B
the aquarium trade in exotic, nonnative aquatic species
C
intentional release
D
an algae farming company
45

The amount of available energy changes between the trophic levels found in a food chain or energy pyramid. Photos (left to right) by Mehmet Karatay, Jens Buurgaard Nielsen, Furryscaly, and Walter Siegmund How would the amount of available energy differ in the trophic level of the mouse compared to the trophic level of the hawk?

Question illustration
A
Available energy would increase from the mouse to the hawk.
B
Available energy would decrease from the mouse to the hawk.
C
Available energy would initially increase from the mouse to the hawk, and then decrease over time.
D
Available energy would remain the same from the mouse to the hawk.
46

Identify the biotic limiting factor from the choices below.

A
space
B
vegetation
C
water
D
climate
47

Which of the following statements about change in ecosystems is true?

A
Ecosystems experience change through human activity only.
B
Ecosystems experience change through natural events only.
C
Ecosystems experience no change.
D
Ecosystems experience change through human activity and natural events.
48

Which of the following is true about ice ages?

A
forests are plentiful and common
B
biodiversity is reduced
C
ecosystems are created
D
glaciers recede
49

Small aquatic organisms, such as coral, are the producers of the ocean.

A
T
B
F
50

Which of the following is not true about the evolution of biomes?

A
Both natural and artificial changes can cause the evolution of biomes.
B
Volcanic activity can result in the evolution of biomes.
C
Biome evolution is influenced by tectonic shifts that change the shape of continents.
D
Human activities cannot impact in the evolution of biomes.
51

R-selected species have a short life span and an early reproduction cycle.

A
T
B
F
52

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.
53

Aquatic organisms that lived hundreds of millions of years ago and were buried in silt and sediment resulted in the formation of _______.

A
coal
B
biomass
C
biofuels
D
petroleum
54

Why does fossil fuel use in the United States make the U.S. vulnerable to the political wishes of foreign countries?

A
The US is a net exporter of fossil fuels.
B
Fossil fuels lead to global climate change.
C
The US imports much of its petroleum from foreign countries which set the prices.
D
All of the above.
55

The following graph is representative of what type of population growth?

Question illustration
A
logistic
B
exponential
C
linear
D
triangular
56

Yellowstone National Park has an average of about 4500 bison living in it. The park covers 3472 square miles. What is the population density of bison living in Yellowstone?

Question illustration
A
1.3 bison/mi
B
16 bison/mi
C
77 bison/mi
D
0.77 bison/mi
57

Which of the following practices that are needed to run a nuclear power plant has a negative impact on both air and water?

A
cooling of the power plant
B
mining of uranium
C
storage of radioactive waste
D
monitoring the reactor
58

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

A
T
B
F
59

Which reaction takes place in a nuclear fission reactor?

A
Superscript 13 subscript 6 upper C plus superscript 1 subscript 1 upper H right arrow superscript 14 subscript 7 upper N.
Option A
B
Superscript 239 subscript 94 upper P u plus superscript 4 subscript 2 upper H e right arrow superscript 242 subscript 96 upper C m.
Option B
C
Superscript 59 subscript 27 upper C o plus superscript 4 subscript 2 upper H e right arrow superscript 60 subscript 27 upper C o plus superscript 1 subscript 0 n.
Option C
D
Superscript 235 subscript 90 upper U plus superscript 1 subscript 0 n right arrow superscript 94 subscript 36 upper K r plus superscript 139 subscript 56 upper B a plus 3 superscript 1 subscript 0 n.
Option D
60

Before the beginning of the Industrial Revolution, most peppered moths found in and around Manchester, England, exhibited light-colored wings speckled with black. After the Industrial Revolution, peppered moths with dark wings became predominant in the area.Which term best describes the change from more light-colored moths to more dark-colored moths?

Question illustration
A
competition
B
evolution
C
acquired
D
overpopulation

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