How Ecosystems Change

A system made up of organisms interacting with one another

• biology
• abiotic
• biotic
• ecosystem

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Organisms that make up the living part of an ecosystem.

• abiotic
• biotic factors
• ecology
• ecosystems

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Nonliving things found in an ecosystem.

• factories
• factor trees
• biotic factors
• abiotic factors

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How do slow changes to an environment happen?

• very quickly

• over a long period of time

• in a few days

• in a few hours

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What is an environment?

• a place where people eat

• all the conditions surrounding an organism

• a place where trees frow

• how producers and consumers interact

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Which event is a fast change to the environment

• a tornado

• climate change

• changes in the seasons

• breaking down of a rock

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Slow changes to an environment allow organisms to adapt over time.

• True

• False

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How do humans impact the environment?

• changing the seasons

• breaking down rocks over time

• cutting down trees

• all of the above

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How is a forest fire helpful for the environment?

• destroys homes

• kills organisms

• burns up dead organisms and waste

• destroys a habitat

Competition is...

• all organisms working together for food

• the result of a forest fire

• when organisms struggle for the same food, water, and shelter

• all of the above