human impact

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What is primary succession?

Back

Primary succession is the process of ecological change that occurs in an area where no soil exists, such as after a volcanic eruption.

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What is water pollution?

Back

Water pollution is the contamination of water bodies, such as rivers and lakes, with harmful substances.

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What does biodiversity mean?

Back

Biodiversity means a variety of life, including different species of plants, animals, and microorganisms.

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What is an aquifer?

Back

An aquifer is an underground layer of water-bearing rock that can supply water to wells and springs.

Front

What is pollution?

Back

Pollution is harmful materials put into the environment that can affect air, water, and land.

Front

What is an example of a pioneer species?

Back

Lichens are an example of a pioneer species that can grow on bare rock.

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Can we stop water pollution?

Back

False. We can take actions to reduce and prevent water pollution.

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What is a superfund site?

Back

A superfund site is a contaminated area that requires long-term cleanup efforts due to hazardous waste.

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What are some effects of pollution?

Back

Pollution can harm plants, animals, and people by causing health problems and environmental damage.

Front

What is secondary succession?

Back

Secondary succession is the process of ecological change that occurs in an area where soil exists but has been disturbed, such as after a forest fire.