Introduction to Ecology — Test Answers

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22
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Which would have to happen to keep the population growth of cheetahs in 2013 the same the previous years?

A
1 deaths, 5 births, 3 immigration, 7 emigration
B
4 deaths, 7 births, 2 immigration, 6 emigration
C
3 deaths, 6 births, 5 immigration, 7 emigration
D
5 deaths, 2 births, 8 immigration, 3 emigration
23

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

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

Which type of social behavior is shown in the image?

A
flocking
B
dividing labor
C
herding
D
schooling
25

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

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

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