AnswersSHS Lifetime Fitness - 2021Developing Cardiorespiratory Fitness

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41
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Which activity produces the smallest amount of greenhouse gases?

A
driving a car
B
riding a bicycle
C
cooking with gas
D
operating a generator
42
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Rachel Carson can be credited for _______.

A
the modern environmental movement, slowing the extinction rate of hibernating mammals, and writing laws to protect the environment
B
bringing attention to the unchecked use of pesticides, pesticides’ harmful effects on the environment, and writing laws to protect the environment
C
bringing attention to pesticides’ harmful effects on the environment, the modern environmental movement, and slowing the extinction rate of hibernating mammals
D
bringing attention to the unchecked use of pesticides, brining attention to pesticides’ harmful effects on the environment, and the modern environmental movement
43

Which of the following rely directly on the brazil nut as a source of food?

A
toads
B
mosquitoes
C
agouti
D
poison frogs
44

How many plant and animal species do wildlife experts estimate are endangered?

A
less than one million
B
1 to 3 million
C
3 to 10 million
D
10 to 30 million
45

Most animals are producers, meaning they are able to create their own food from inorganic sources.

A
T
B
F
46

Plants are considered producers.

A
T
B
F
47

Rachel Carson’s warning in Silent Spring was focused on _______.

A
overgrazing by livestock
B
global warming
C
the misuse of pesticides
D
fish stock declines
48

Nomadic societies negatively impact the environment more than industrial societies.

A
T
B
F
49

According to the theory of island biogeography, which of the following is not an island ecosystem?

A
A mountain with thriving vegetation surrounded by an arid desert.
B
The open ocean.
C
Grasslands that surround a lake.
D
A cave within the forests of the Appalachian Mountains in the Eastern United States.
50

Which of the following is an example of a decomposer?

A
trees
B
coyotes
C
lizards
D
bacteria

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