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Unformatted text preview: o Sexual selection hypothesis • 3 genera from 7 -5 mya that may be hominins: o Teeth are chimp-like but skull and arms are hominin-like o Probably bipedal, but unclear • Appear about 4 mya • Extensive evidence of bipedalism • Still very ape-like Anamensis (4.2 – 3.9 mya) • Discovered in 1995 • Numerous fragments • Bipedal hominin w/ ape-like teeth A. afarensis (3.8 – 3 mya) • Found in Ethiopia and Tanzania in 1970s • “Lucy”: o 433 cc brain size o Ape like definition o Bipedal (habitual)...
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This note was uploaded on 06/12/2011 for the course ANTH 101 taught by Professor Scarre during the Spring '07 term at UNC.
- Spring '07