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The hominid family diversified from the apes around 6 to 8 million years ago. Since then, the evolutionary path has prov..

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The Human Physiology

Physiology is the study of how living organisms function. Thus, human physiology deals specifically with the physiologic..

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The sea was teeming with life. Eventually, through reproduction and continued variation, fish came about. There are over..

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The Dinosaurs

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