Ecology of Yellowstone National Park

Ecology of Yellowstone National Park

9th Grade

15 Qs

quiz-placeholder

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Ecology of Yellowstone National Park

Ecology of Yellowstone National Park

Assessment

Quiz

Biology

9th Grade

Practice Problem

Hard

Created by

Malena Rios

Used 1+ times

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What ecological role do bison play in Yellowstone’s grassland ecosystem?

Apex predators

Primary consumers

Decomposers

Secondary consumers

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which trophic level do gray wolves primarily occupy in Yellowstone’s food web?

Primary producers

Primary consumers

Secondary consumers

Tertiary consumers

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does the reintroduction of wolves in 1995 impact the riparian vegetation in Yellowstone?

Decreases vegetation due to overgrazing by elk

Increases vegetation by reducing elk populations and their browsing

Has no significant impact

Reduces vegetation due to increased predation on beavers

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What adaptation helps the pika survive the harsh winters in Yellowstone?

Thick fur and burrowing

Migration to lower altitudes

Hibernation

Storing food in haypiles

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a keystone species in Yellowstone National Park?

Bison

Cutthroat trout

Grizzly bear

Gray wolf

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary reason for the decline in cutthroat trout populations in Yellowstone?

Overfishing

Introduction of non-native lake trout

Climate change

Pollution

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do beavers contribute to wetland ecosystems in Yellowstone?

By increasing fish populations

By preventing forest fires

By creating ponds and wetlands through dam-building

By spreading seeds of aquatic plants

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