Question

Biological Factors Quick Check
3 of 43 of 4 Items
Question
Which food source’s scarcity caused the Yellowstone National Park beaver population to decrease?(1 point)
Responses

otter
otter

fish
fish

willow
willow

grass
grass
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Answer 1

The scarcity of **willow** caused the Yellowstone National Park beaver population to decrease. Beavers primarily rely on willow as a food source, and a decrease in this resource can significantly impact their population.