How did the reintroduction of wolves to Yellowstone National Park affect the beaver population?(1 point)
Responses
The wolves decreased the population by eating beavers’ prey.
T he wolves decreased the population by eating beavers’ prey.
The wolves increased the population by eating a competitor.
T he wolves increased the population by eating a competitor.
The wolves increased the population by eating beavers’ predators.
T he wolves increased the population by eating beavers ’ predators.
The wolves decreased the population by eating beavers.
The wolves increased the population by eating a competitor.
What happened to Yellowstone National Park when wolves disappeared?(1 point)
Responses
The deer population increased.
The deer population increased.
The grassy areas increased.
The grassy areas increased.
The bear population increased.
The bear population increased.
The willow tree population increased.
The deer population increased.
Which food source’s scarcity caused the Yellowstone National Park beaver population to decrease?(1 point)
Responses
fish
fish
willow
willow
otter
otter
grass