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This tutorial deals with the structure and function of flowers, fruits, and seeds. Also included here are the types of f..

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According to Charles Darwin's theory of natural selection, preferable genes are favored by nature in the gene pool, and ..

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Obtaining air outside an aquatic environment required species to acquire suitable adaptations, and this was the case of ..

Transpiration
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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 ..

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Sugar Homeostasis

The blood sugar level is regulated by two hormones. The mechanism behind this type of negative feedback control is descr..