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Organisms and the Environment — Test Answers

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

Wild boars have a high reproductive rate and no natural predators.

Wild boars have established successfully mostly in areas with warm climates.

Wild boars were brought to the United States by humans.

Wild boars have quickly spread through the United States.

Which explanation is best supported by the numbers in the chart?

Overhunting of lion and cheetah populations has led to a decline in the food source population.

The dwindling zebra population has led to the decline of the predator lion and cheetah populations.

Lion and cheetah populations compete for the food source of zebras, and lions outcompete cheetahs.

Lion and cheetah populations compete for the food source of zebras, and cheetahs outcompete lions.

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