Ecology — Test Answers

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23
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Which best describes what is occurring in this population of squirrels?

A
Population reaches carrying capacity.
B
Population growth stays the same.
C
Population growth is decreasing.
D
Population growth is increasing.
24

Which would have to happen to keep the population growth of cheetahs in 2013 the same the previous years?

A
4 deaths, 7 births, 2 immigration, 6 emigration
B
1 deaths, 5 births, 3 immigration, 7 emigration
C
5 deaths, 2 births, 8 immigration, 3 emigration
D
3 deaths, 6 births, 5 immigration, 7 emigration
25

Which of these facts about wild boars is best supported by the evidence provided?

A
Wild boars were brought to the United States by humans.
B
Wild boars have a high reproductive rate and no natural predators.
C
Wild boars have established successfully mostly in areas with warm climates.
D
Wild boars have quickly spread through the United States.

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