Understanding Succession in Nature

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Succession

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Changes in an ecosystem

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Primary Succession

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Occurs on newly formed or exposed land with no soil

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Secondary Succession

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Occurs in areas where a disturbance has destroyed a community but left the soil intact

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Pioneer Species

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First species to colonize barren environments in primary succession

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Climax Community

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an area that has reached its final stage of succession

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Example of Primary Succession

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Lava flow creating new land

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Example of Secondary Succession

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Forest regrowing after a fire

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Human Impact on Succession

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Activities like deforestation and urbanization can alter succession