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KEY CONCEPT Ecological succession is a process of change in the species that make up a community.

KEY CONCEPT Ecological succession is a process of change in the species that make up a community. Succession occurs following a disturbance in an ecosystem. Succession regenerates or creates a community after a disturbance. a sequence of biotic changes damaged communities are regenerated

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KEY CONCEPT Ecological succession is a process of change in the species that make up a community.

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  1. KEY CONCEPT Ecological succession is a process of change in the species that make up a community.

  2. Succession occurs following a disturbance in an ecosystem. • Succession regenerates or creates a community after a disturbance. • a sequence of biotic changes • damaged communities are regenerated • new communities arise in previously uninhabited areas

  3. primary succession — started by pioneer species like lichens and some mosses • There are two types of succession.

  4. secondary succession — started by remaining species left over. From for example a fire or hurricane. • There are two types of succession.

  5. Video Slide show of succession • Mt. St. Helens

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