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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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Earth was created around 4.5 billion years ago and life began not long after. Primitive life likely possessed the elemen..

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Lotic communities have conditions that are rather harsh for typical plants. Thus, the diversity of plant species in loti..

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Proteins and minerals can be derived from various dietary sources. They are essential for the proper growth and developm..

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Freshwater Ecology

Freshwater ecology focuses on the relations of aquatic organisms to their freshwater habitats. There are two forms of co..

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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..