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

Human Nervous System
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The nervous system is essentially a biological information highway. This tutorial gives an overview of the nervous syste..

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The cell is defined as the fundamental, functional unit of life. Some organisms are comprised of only one cell whereas o..

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This tutorial elucidates body temperature regulation. Know the details here to learn how the body sets the body temperat..

Genetics and Evolution
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Humans are diploid creatures. This means that for every chromosome in the body, there is another one to match it. Howeve..