Ecosystem Balance Quiz

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Which of the following is an example of a human disturbance that can affect an ecosystem?

Chemical pollution (correct)

Natural disturbances

Forest fire

Fish food in an aquarium

What can happen to an ecosystem after a natural disturbance?

It will never recover

It will become smaller

It will remain the same

It may recover and include new plants and animals (correct)

Why do longleaf pine forests depend on occasional fires?

To cause damage to the ecosystem

To control undergrowth in the forest (correct)

To prevent new seedlings from growing

To make the forest grow taller

What effect did dumping fish food repeatedly have on the aquarium in the text?

The water turned cloudy and the fish had a hard time filtering it Signup and view all the answers

Why is most human impact on ecosystems considered negative?

It places undue pressure on ecosystems to adapt Signup and view all the answers

Which of the following best defines an ecosystem?

A collection of living and non-living things that interact with each other in a specific location Signup and view all the answers

Which of the following is an example of a natural disturbance in an ecosystem?

A flood caused by heavy rain Signup and view all the answers

What is the term used for an ecosystem that is in balance?

Balanced ecosystem Signup and view all the answers

What can alter the stability of an ecosystem?

Natural disturbances Signup and view all the answers

What happens to an ecosystem when all the plants die?

The ecosystem becomes unbalanced Signup and view all the answers

Ecosystem Balance Quiz

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Questions and Answers

Which of the following is an example of a human disturbance that can affect an ecosystem?

What can happen to an ecosystem after a natural disturbance?

Why do longleaf pine forests depend on occasional fires?

What effect did dumping fish food repeatedly have on the aquarium in the text?

Why is most human impact on ecosystems considered negative?

Which of the following best defines an ecosystem?

Which of the following is an example of a natural disturbance in an ecosystem?

What is the term used for an ecosystem that is in balance?

What can alter the stability of an ecosystem?

What happens to an ecosystem when all the plants die?

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