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Changes in Ecosystems: Ecological Succession - PowerPoint PPT Presentation


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Definition:. Natural, gradual changes in the types of species that live in an area; can be primary or secondary The gradual replacement of one plant community by another through natural processes over time. Primary Succession. Begins in a place without any soil Sides of volcanoesLandslidesFloodingStarts with the arrival of living things such as lichens that do not need soil to surviveCalled PIONEER SPECIES.

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