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Quiz on Symbiosis and Ecosystems

Authored by TJ Brinkman

Science

8th Grade

Quiz on Symbiosis and Ecosystems
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is symbiosis?

A relationship where one organism benefits and the other is harmed

A relationship where both organisms are harmed

A close relationship where there is mutual benefit and association between organisms of different species

A relationship where one organism benefits and the other is neither helped nor harmed

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is commensalism?

A relationship where both organisms benefit

A relationship where one organism benefits and the other is neither helped nor harmed

A relationship where one organism harms another for its own benefit

A relationship where both organisms are harmed

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of a predator in an ecosystem?

To provide food for other predators

To hunt and consume other organisms for nourishment

To protect prey species from other predators

To increase the population of prey species

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the prey population when the number of predators increases?

The prey population increases

The prey population decreases

The prey population remains the same

The prey population fluctuates randomly

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is mutualism?

A relationship where one organism benefits and the other is harmed

A relationship where one organism benefits and the other is neither helped nor harmed

A relationship where both organisms benefit

A relationship where both organisms are harmed

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is parasitism?

A relationship where both organisms benefit

A relationship where one organism benefits and the other is neither helped nor harmed

A relationship where one organism harms, but does not kill, another for its own benefit

A relationship where both organisms are harmed

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why does competition occur in nature?

Due to the abundance of resources

Due to limited resources

Due to the presence of predators

Due to the presence of parasites

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