The period of human evolution has coincided with environmental change, including cooling, drying, and wider climate fluctuations over time. Diverse species have emerged over the course of human evolution, and a suite of adaptations have accumulated over time, including upright walking, the capacity to make tools, enlargement of the brain, prolonged maturation, the emergence of complex mental and social behavior, and dependence on technology to alter the surroundings. Paleoanthropologists – scientists who study human evolution – have proposed a variety of ideas about how environmental conditions may have stimulated important developments in human origins. Natural selection was not always a matter of ‘survival of the fittest’ but also survival of those most adaptable to changing surroundings. Rick Potts of the Smithsonian’s Human Origins Program. This idea was developed during research conducted by Dr. This article explores the hypothesis that key human adaptations evolved in response to environmental instability. Science, Religion, Evolution and Creationism: Primer.Members Thoughts on Science, Religion & Human Origins (video).Teaching Evolution through Human Examples.Digital Archive of Ungulate and Carnivore Dentition.Adventures in the Rift Valley: Interactive.Smithsonian National Museum of Natural History The Smithsonian Institution's Human Origins Program Main Menu
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