Chapter 6: Communities and Ecosystem Dynamics

Front

What is a niche?

Back

A niche is where an organism lives and what it does for a living, including how it interacts with biotic and abiotic factors.

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What is the final stage of ecological succession?

Back

The final stage of ecological succession is called the Climax Community.

Front

What is an example of primary succession?

Back

Lichens growing on rocks following a volcanic eruption is an example of primary succession.

Front

Which type of succession is faster: Primary or Secondary?

Back

Secondary Succession is faster than Primary Succession.

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What term describes a species that has a large impact on its ecosystem?

Back

A Keystone species is a species that has a large impact on its ecosystem.

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What is ecological succession?

Back

Ecological succession is the process by which ecosystems change and develop over time.

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What is primary succession?

Back

Primary succession occurs in lifeless areas where soil has not yet formed, such as after a volcanic eruption.

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What is secondary succession?

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Secondary succession occurs in areas where a disturbance has destroyed an existing community but left the soil intact.

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What role do pioneer species play in succession?

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Pioneer species are the first organisms to colonize previously disrupted or damaged ecosystems.

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What is a climax community?

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A climax community is a stable and mature ecological community that has reached a steady state.