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This tutorial presents Gregor Mendel's law of dominance. Learn more about this form of inheritance and how it can be pre..

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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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Muscle cells are specialized to generate force and movement. Learn about the different types of muscle tissues in this t..

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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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Animals adapt to their environment in aspects of anatomy, physiology, and behavior. This tutorial will help you understa..

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This tutorial elaborates on the physical development of humans, particularly from puberty to adulthood. Read this tutori..