Ecological Succession and Ecosystem Relationships Flashcardziz

Front

What is ecological succession?

Back

Ecological succession is the process by which ecosystems change and develop over time, involving a series of progressive changes in species composition and community structure.

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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 or glacier retreat.

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What is secondary succession?

Back

Secondary succession occurs in areas where a disturbance has destroyed an existing community but left the soil intact, such as after a forest fire.

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Define pioneer species.

Back

Pioneer species are the first organisms to colonize previously uninhabited or disturbed environments, playing a crucial role in soil formation.

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What role do lichens play in primary succession?

Back

Lichens help in primary succession by breaking down rock to form soil, making it possible for other plants to grow.

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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 of species composition and diversity.

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What is mutualism?

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Mutualism is a type of symbiotic relationship where both species benefit from the interaction.

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What is commensalism?

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Commensalism is a type of symbiotic relationship where one species benefits while the other is neither helped nor harmed.

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What is parasitism?

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Parasitism is a type of symbiotic relationship where one organism benefits at the expense of another.

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What is the difference between primary and secondary succession?

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Primary succession starts on bare rock without soil, while secondary succession occurs in areas where soil is already present after a disturbance.