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Ecological Succession

Ecological Succession. Definition: Ecological Succession. Gradual, sequential replacement of populations in an area Existing communities are replaced. The Process Of Ecological Succession. Pioneer Species Seral Community Climax Community. Pioneer Species. First to colonize

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Ecological Succession

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  1. Ecological Succession

  2. Definition: Ecological Succession • Gradual, sequential replacement of populations in an area • Existing communities are replaced

  3. The Process Of Ecological Succession Pioneer Species Seral CommunityClimax Community

  4. Pioneer Species • First to colonize • Examples: Grasses, mosses, and lichens

  5. Seral Community • Second step in ecological succession • Intermediate communities are replaced repeatedly

  6. Climax Community • A stable collection of plants and animals • A balanced system if it is undisturbed

  7. Types of Ecological Succession Primary Succession Secondary Succession

  8. Primary Succession • Occurs in an area that was not previously occupied. • It takes 1000 years for primary succession to get to a climax community • Example: sand dune and rocks

  9. Secondary Succession • Occurs in an area that is cleared and abandoned • Examples: soil left after a fire, a volcanic eruption, or human activity.

  10. Is this primary or secondary succession?

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