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Ecological Succession
Ecosystems are constantly changing. ___________ ____________ is a gradual process of change and replacement of the types of species in a __________________. Each new community that arises often makes it ________________ for the previous community to _______________.
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Primary succession ___________ _____________ is a type of succession that occurs on a surface where no ________________ existed before. Primary succession can occur on ____________, cliffs, or _____________.
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Pioneer Species A __________ ____________ is a species that colonizes an _________________ area and that starts an ecological cycle Over time, a pioneer species will make the _________ area ________________ for other species.
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Pioneer Species
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Secondary succession __________ __________ occurs on a surface where an ecosystem has previously ______________. Process: ______________ replaces another _________________ that has been partially or totally ______________.
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Secondary succession Occurs: in __________ that have been disturbed or disrupted by ______, ______.
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_______ _________ such as storms, floods, fires, earthquakes, or volcanic eruptions.
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Climax Community A _______________is the final, stable community
Even though a climax community may ____________________, It will remain the _________________ if it is not disturbed.
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Old-field succession ______________________ is a type of secondary succession that occurs when farmland is abandoned. When a farmer stops cultivating a field, ___________ and ___________ quickly grow and cover the abandoned ___________. Over time, taller _____________, such as _____________ grasses, shrubs, and _______________ take over the area.
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Old-field succession
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Succession video
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