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Neurons generate electric signals that they pass along to the other neurons or target tissues. In this tutorial, you wil..

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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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The water cycle (also referred to as the hydrological cycle) is a system of continuous transfer of water from the air, s..

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Genes are expressed through the process of protein synthesis. This elaborate tutorial provides an in-depth review of the..

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This tutorial digs into the past to investigate the origins of life. The section is split into geological periods in the..

Homeostatic Mechanisms and Cellular Communication
Homeostatic Mechanisms and Cellular Communication

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