A complex network of feeding relationships among organisms in an ecosystem.

A single pathway of feeding relationships among organisms in an ecosystem.

A system that recycles nutrients in an ecosystem.

A method of decomposing organic material.

If the mouse population decreased which of these statements would be TRUE

the owl would lose it's only food source and their population would decrease.

the population of wild cats would increase because there is more food available.

the rabbit would lose it's only food source and their population would decrease.

the population of snakes would increase because there is more food available.

If the omnivores were to increase in population the carnivores would

increase in population as there would be more food available

decrease in population because their food source is decreasing

stay the same - their population would not change

What role do decomposers play in the interdependence of an ecosystem?

They break down dead organisms, returning nutrients to the soil.

They produce energy for the ecosystem.

They compete with producers for sunlight.

They provide shelter for predators.

Which of the following best describes mutualism in an ecosystem?

Both organisms benefit from the relationship.

One organism benefits while the other is harmed.

One organism benefits while the other is unaffected.

Both organisms are harmed by the relationship.

How does the removal of a top predator affect the interdependence in an ecosystem?

It leads to an increase in the population of herbivores.

It increases the population of producers.

It has no effect on the ecosystem.

Which of the following is an example of interdependence in a forest ecosystem?

Trees absorbing carbon dioxide and releasing oxygen

Rocks providing minerals to the soil

Sunlight warming the forest floor

How do plants and animals demonstrate interdependence in the carbon cycle?

Plants absorb carbon dioxide during photosynthesis, and animals release it during respiration.

Plants release carbon dioxide for animals to breathe.

Animals convert carbon dioxide into oxygen for plants.

Animals absorb carbon dioxide during photosynthesis, and plants release it during respiration.

What is the effect of interdependence on biodiversity in an ecosystem?

It increases biodiversity by supporting a variety of species.

It decreases biodiversity by eliminating weaker species.

It has no effect on biodiversity.

It simplifies the ecosystem by reducing species interactions.

Which of the following scenarios illustrates interdependence in a marine ecosystem?

Coral reefs providing habitat for fish and other marine life

Fish swimming in schools for protection

How does interdependence contribute to the stability of an ecosystem?

It allows species to adapt to changes and maintain balance.

It prevents any changes from occurring in the ecosystem.

It eliminates competition among species.

It ensures that only the strongest species survive.

Interdependence

Quiz

•

Science

•

7th Grade

•

Practice Problem

•

Hard

•

NGSS

MS-LS2-2, MS-LS2-4, MS-LS2-3

+3

Standards-aligned

Lisa Thompson

Used 1+ times

FREE Resource

25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Animals help to scatter the ____________ of plants.

roots

leaves

seeds

Tags

NGSS.MS-LS2-2

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of these are producers?

Microorganisms

Animals

Plants

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

________________ feed on dead plants and animals.

Scavengers

Carnivores

Decomposers

Tags

NGSS.MS-LS2-3

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following would be the most likely effect, if there were a sudden increase in the cricket population?

There would be a decrease in the small bird population.

There would be a decrease in the grass/flowers population.

There would be a decrease in the mice population.

There would be an increase in the grass/flowers population.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Why is interdependence important in ecosystems?

It allows ecosystems to be unaffected by changes

It ensures that no species have any interaction

It helps organisms to survive by relying on each other for food, shelter, and other needs

It makes ecosystems simpler

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

6.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

What would most likely result if all plants in an area were destroyed?

Consumer populations would increase because more sunlight would reach the ground.

Decomposer populations would increase because more sunlight would reach the ground.

Consumer populations would decrease because plants provide them with water.

Consumer populations would decrease because plants provide them with energy.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If a population of gazelle decrease, the population of cheetahs will...

Decrease

Increase

Stay the same

Cheetahs don't eat gazelle

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

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Interdependence

25 questions

Animals help to scatter the ____________ of plants.

Which of these are producers?

________________ feed on dead plants and animals.

Which of the following would be the most likely effect, if there were a sudden increase in the cricket population?

Why is interdependence important in ecosystems?

What would most likely result if all plants in an area were destroyed?

If a population of gazelle decrease, the population of cheetahs will...

What is a food web?

Which organism do the owl and the weasel compete for in the food web?

Which two organisms have a producer consumer relationship?

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