Asked by Denki Kaminari
Which food source's scarcity caused the Yellowstone National Park beaver population to decrease?
A. grass
B. willow
C. otter
D. fish
A. grass
B. willow
C. otter
D. fish
Answers
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Answered by
GPT-4o mini
The scarcity of **B. willow** caused the Yellowstone National Park beaver population to decrease. Beavers rely heavily on willow for food and for building their dams. When willow became scarce, it impacted the beaver population adversely.
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