9.Homo_erectus

9.Homo_erectus - Homo erectus introduction Discoveries of...

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Unformatted text preview: Homo erectus introduction Discoveries of Homo erectus fossils go back to the 19th century. Javanese remains were called Pithecanthropus. Also fossils found in China. After World War II, the taxonomic splitting was combined in the classification Homo erectus. The Pleistocene (1.8 m.y.a.. - 10,000 y.a.) Homo erectus appeared and disappeared during the Pleistocene. Also known as the “ice age.” Glacial advances and retreats influenced hominid migrations. During glacial advance, sea levels lowered exposing land bridges. Paleocene Eocene Oligocene Miocene Pliocene Pleistocene 65 55 34 23 5 2 .01 Morphology of Homo erectus Brain size is related to overall body size with a mean of 900 cc (range of 750-1200cc) Body size dramatically increased compared to earlier hominids. Cranium had a distinctive shape with a thick cranial bone and large brow ridges. Shovel-shaped incisors suggest an adaptation in hunter-gatherers. Baboon Orangutan Chimp A. africanusA....
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This note was uploaded on 03/31/2009 for the course BAA 1219 taught by Professor Glander during the Fall '08 term at Duke.

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9.Homo_erectus - Homo erectus introduction Discoveries of...

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