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A running water environment offers numerous microhabitats for many types of animals. Similar to plants, animals in lotic..

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This tutorial recognizes the importance of food as a source of energy that will fuel many biological processes. A good d..

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Bryophytes (nonvascular plants) are a plant group characterized by lacking vascular tissues. They include the mosses, th..

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Adaptation Tutorial

Adaptation, in biology and ecology, refers to the process or trait through which organisms or the populations in a habit..

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