ANTH 1220 Chapter 2: Topic 15
19 May 2017
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Weiner, les gros clark & oakley ~ 1953 . Used fluorine/c-14 dating medieval skull 500 years old, with modified orangutan mandible 100 years old = piltdown was a hoax . Can"t date south africa directly use fossil correlation . Can"t fate east africa directly use k-a dating . Hunted debate were these caves living sites? . 5 mya mediterranean sea dries us causing major climatic change . Mixed woodland, omnivore, almost complete cranium with lower jaw/teeth, sexual dimorphism . Human traits: foramen magnum, more human-like teeth, flat face -absent previously . Ethiopia, gulf od aden, afar triangle (lucy), fossils found in 1992 oldest clear hominin at that time . Very close to hypothetical ape-like human (dna), forest dweller/savannah . Foramen magnum (beginning of biped evolution), arboreal grasping toe . Most primitive hominin, small/fewer canines, little sexual dimorphism, omnivore, small brain (1/5 our size)
