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This tutorial introduces flowing water communities, which bring new and dithering factors into the equation for possible..

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Lentic or still water communities can vary greatly in appearance -- from a small temporary puddle to a large lake. The s..

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Bryophytes are a plant group characterized by being nonvascular. They include the mosses, the liverworts, and the hornwo..

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If the balance of nature is left untouched, landscapes can change dramatically over time. A previous ecosystem is supers..

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