UNIT4:  Interactions in Ecosystems

UNIT4: Interactions in Ecosystems

6th - 8th Grade

20 Qs

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UNIT4:  Interactions in Ecosystems

UNIT4: Interactions in Ecosystems

Assessment

Quiz

Science

6th - 8th Grade

Medium

Created by

Quizizz Content

Used 18+ times

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

Did the lemming population begin to increase, decrease, or stay the same in 1990? (2 points)

Increase

Decrease

Stay the Same

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Frogs eat grasshoppers. Grasshoppers eat grass. If the amount of grass decreases, what will happen to the population of frogs?

Population Increase

Population Decrease

Populations stay the same

It is not possible to tell

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

frogs are a predator, and grasshoppers are their prey. If the number of frogs increases, what happens to the number of grasshoppers?

Population Increases

Population Decreases

Population Stays the Same

It is not possible to tell

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

In an ecosystem, wolves eat deer and rabbits. If bears are introduced to the ecosystem, and the number of deer and rabbits eaten by wolves stays the same, what will happen to the population of plants?

The amount of plants will increase

The amount of plants will decrease until they are all gone

The amount of plants will stay the same

The amount of plants will decrease a little

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

What pattern in the weasel population begins during each of the years that followed 1988, 1992, 1996, and 2000?

Increase

Decrease

Stay the Same

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

A honey-badger digs the ground tunnels in search for snakes. In one occasion, the badger finds a snake and competes with it. The badger leaves scratches and bite marks on the snake before it escapes. After twenty-four hours the snake dies. What is the limiting factor to the snake?

Predator-Prey Relationships (density dependent)

Competition for Food (density dependent)

Temperature (density independent)

Weather (density independent)

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

What happens to the amount of rainfall from 1976 to 1977?

Increase

Decrease

Stay the same

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