Ecological Succession

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What is Ecological Succession?

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The process by which ecosystems change and develop over time, involving a series of stages that lead to a stable community.

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What are Pioneer Species?

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Species that are the first to colonize previously disrupted or damaged ecosystems, playing a crucial role in soil formation.

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What is Primary Succession?

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Succession that 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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Succession that occurs in areas where a disturbance has destroyed an existing ecosystem but left the soil intact, such as after a forest fire.

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What role do Lichens play in Primary Succession?

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Lichens help to break down rock and create soil, making it possible for other plants to grow.

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What is the order of plant growth after a volcanic eruption?

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Lichens → Grasses → Shrubs → Trees.

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What is a Climax Community?

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A stable and mature community that undergoes little or no change in species composition.

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How does a forest fire lead to Secondary Succession?

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After a fire, the soil remains intact, allowing for rapid regrowth of plants and a return to a stable ecosystem.

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What is the difference between Primary and Secondary Succession?

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Primary succession starts from bare rock with no soil, while secondary succession begins in areas where soil is already present.

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What is a Seral Stage?

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An intermediate stage in the ecological succession process, where different species are established before reaching a climax community.