Question 1

Question

A)How did the reintroduction of wolves to Yellowstone National Park affect the beaver population?(1 point)
Responses

The wolves increased the population by eating beavers’ predators.
T he wolves increased the population by eating beavers ’ predators.

The wolves increased the population by eating a competitor.
T he wolves increased the population by eating a competitor.

The wolves decreased the population by eating beavers’ prey.
T he wolves decreased the population by eating beavers’ prey.

The wolves decreased the population by eating beavers.
T he wolves decreased the population by eating beavers.
Question 2
A)What happened to Yellowstone National Park when wolves disappeared?(1 point)
Responses

The grassy areas increased.
The grassy areas increased.

The deer population increased.
The deer population increased.

The willow tree population increased.
The willow tree population increased.

The bear population increased.
The bear population increased.
Question 3
A)Which food source’s scarcity caused the Yellowstone National Park beaver population to decrease?(1 point)
Responses

grass
grass

willow
willow

otter
otter

fish
fish
Question 4
A)What happens to an ecosystem when the primary consumers disappear?(1 point)
Responses

The producer population increases, while the secondary consumer population decreases.
The producer population increases, while the secondary consumer population decreases.

Both the producer and secondary consumer populations decrease.
Both the producer and secondary consumer populations decrease.

Both the producer and secondary consumer populations increase.
Both the producer and secondary consumer populations increase.

The producer population decreases, while the secondary consumer population increases.
The producer population decreases, while the secondary consumer population increases.

Answer 1

Here are the answers based on the ecological principles related to the questions about Yellowstone National Park and its wolf population:

Question 1: A) How did the reintroduction of wolves to Yellowstone National Park affect the beaver population?

• Response: The wolves increased the population by eating beavers' predators.

Question 2: A) What happened to Yellowstone National Park when wolves disappeared?

• Response: The deer population increased.

Question 3: A) Which food source’s scarcity caused the Yellowstone National Park beaver population to decrease?

• Response: willow.

Question 4: A) What happens to an ecosystem when the primary consumers disappear?

• Response: The producer population increases, while the secondary consumer population decreases.

These answers reflect the ecological interactions and consequences observed in Yellowstone National Park following the changes in wolf and other animal populations.