The corpses of water-dwelling animals often sink to the bottom and become covered with sediment. The sediment tends to protect the dead body and even… - Jeffrey H. Schwartz

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The corpses of water-dwelling animals often sink to the bottom and become covered with sediment. The sediment tends to protect the dead body and even at times retain an impression of its shape and external anatomical details. This environment then provides the means by which the bones of the skeleton are mineralized. ...most land animals die and fall to the ground, without any chance of a freak flood casting them into an environment more favorable to fossilization.

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About Jeffrey H. Schwartz

Jeffrey Hugh Schwartz (born March 6, 1948) is an American physical anthropologist and professor of biological anthropology at the University of Pittsburgh in Pittsburgh, Pennsylvania, and a fellow and President of the World Academy of Art and Science (WAAS) from 2008 to 2012. Schwartz' research involves the methods, theories, and philosophies in evolutionary biology, including the origins and diversification of primates. He has studied and analyzed human and primate skeletons and archaeological remains, focusing much of his research on dentofacial morphology. He has done substantial fieldwork and museum research in the collections of major museums around the globe.

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Alternative Names: Jeffrey Hugh Schwartz Schwartz
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Some... resistance also came from the belief that preserved historical writings could provide all anyone needed to know about the habits of past civilizations. ...According to the archeologists, this site was supposed to have had an uninterrupted sequence of Israelite occupation... These archeologists "knew" that there had been a continual occupation of people practicing full-blown Jewish orthodoxy based on their interpretation of the preserved written records. ...But, to the extreme surprise of the dig's staff... one-third of the bones from the floor of the synagogue were pig. Anathema! ...directly beneath the floor of this synagogue... the first piece of bone I picked up was from the skull of a young human. Again, anathema! How could orthodox Jews build anything, much less a synagogue, over a human burial area? ...no reports on the site including my analyses have ever seen the light of day.

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If Walter Garstang's suggestion is correct, and chordates did arise from a tunicate-like form by retaining the chordate features of their larval stage of development into adulthood, then the first chordates must have been affected by a regulatory mutation that kept the Manx gene activated for a longer period of time.

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