Wolf Reintroduction Quiz

What animals benefited from the Reintroduction of the wolf to Yellowstone?

• Beavers

• Bears

• Fish

• All of the above

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What animal population was hurt most directly by the over grazing of willow by elk?

• Bears

• Wolves

• Beavers

• Humans

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1.      Which of the following change did NOT occur because the reintroduction of the wolf?

• Elks stopped overgrazing on willow plants

• Bear populations declined because wolves ate all of the elk.

• Beavers population increased

• Fish populations increased.

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Which one of the following was NOT a behavior of the elk that was changed by the reintroduction of the wolf?

• Elk spent more time hiding in the forest and less time in open meadows.

• Elk ate less willow plants.

• Elk herd sizes increased to defend against wolves.

• Elk herd sizes decreased.

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Explain why you feel it is important to help preserve the Yellowstone ecosystem

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