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Dinosaurs represented a major turn in the evolutionary development of organisms on Earth. The first dinosaurs were presu..

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Adaptation Tutorial

Adaptation, in biology and ecology, refers to the process or trait through which organisms or the populations in a habit..

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Apart from vitamins, the human body also requires high energy sources such as carbohydrates and fats. If you want an ove..

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The human respiratory system is an efficient system of inspiring and expiring respiratory gases. This tutorial provides ..

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Physiological Homeostasis

Homeostasis is essential to maintain conditions within the tolerable limits. Otherwise, the body will fail to function p..