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

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

The Human Physiology
The Human Physiology

Physiology is the study of how living organisms function. Thus, human physiology deals specifically with the physiologic..

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Homeostatic Mechanisms and Cellular Communication

Homeostasis is the relatively stable conditions of the internal environment that result from compensatory regulatory res..

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The Conscious & Unconscious Nervous System

This tutorial elaborates on how the nervous system works, particularly at the tissue level of the brain. There are three..