Predator Prey Ecosystems

Predator Prey Ecosystems

7th Grade

20 Qs

quiz-placeholder

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रांझणी जी एस             8 सप्टेंबर 2020

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1st - 8th Grade

20 Qs

Predator Prey Ecosystems

Predator Prey Ecosystems

Assessment

Quiz

Science

7th Grade

Practice Problem

Medium

NGSS
MS-LS2-4, MS-LS2-1, MS-LS2-2

+2

Standards-aligned

Created by

Charles Martinez

Used 6+ times

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

A new predator is introduced into a forest ecosystem that preys on both rabbits and squirrels. After several years, the rabbit population declines significantly while the squirrel population remains relatively stable. What is the most likely explanation for this pattern?

The predator prefers to hunt squirrels over rabbits.

The predator prefers to hunt rabbits over squirrels.

The predator has an equal preference for hunting both rabbits and squirrels.

The decline in the rabbit population is unrelated to the presence of the predator.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

In a forest ecosystem, the population of wolves has increased significantly over the past decade, leading to a decrease in the population of moose. A biologist hypothesizes that the increase in the wolf population has led to a decrease in the moose population. Which of the following observations would best support this hypothesis?

The moose population has decreased due to disease.

The wolf population has decreased due to hunting.

The wolf population has increased due to a decrease in the population of deer, which has led to an increase in the population of plants that the moose eat.

The moose population has decreased due to an increase in the number of predators that also prey on moose, such as bears and cougars.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Predator population lags behind prey population because:

Increase in predators leads to decrease in prey

Increase in predators leads to increase in prey

Increase in predators leads to decrease in producers

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What statement is TRUE about the graph?

The prey is the green line because there needs to be more prey than predators.
The prey is the red line because there needs to be more predators than prey.
The green line is the producers
The red line is the producers

Tags

NGSS.MS-LS2-1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Predator and prey populations are linked. For example, if the number of prey decreases, then the number of predators will ___________

increase

decrease

stay the same

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

TRUE OR FALSE:

Removing a top predator from an ecosystem is always a good thing for the prey that live there.

True

False

Tags

NGSS.MS-LS2-4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An organism that is killed and eaten by another organism

Predator
Prey
Competition
Adaptation

Tags

NGSS.MS-LS2-2

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