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Meiosis is a form of cell division that creates gametes. It is comprised of two divisions that in the end, the resulting..

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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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Temperature Regulation in Animals

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

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The movement of molecules (specifically, water and solutes) is vital to the understanding of plant processes. This tuto..

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Plant Meristems and Growth

In plants, growth occurs in meristems, which are the site of repeated cell division of unspecialized cells. These cells ..