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Following nine months inside the mother's womb is the birth of the baby. Know the different stages of the birthing proce..

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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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Principles of Hormonal Control Systems

Hormones are essential in the regulation of the activity of the various biological systems of the human body. The ineffi..

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Amphibians & Early Reptiles

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

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