ANTHRO 7 Chapter Notes - Chapter 12: Homo Ergaster, Jonathan Leakey, Australopithecus Afarensis
Document Summary
Distinguished by larger brains and more humanlike teeth. Olduvai hominin 7 (oh 7 ) found by jonathan leakey. Fewer air pockets in the bottom of the skull. Jaw muscles are reduced in size compared with australopiths. Resembled australopiths in their development patterns and limb proportions. Early homo juveniles had dental enamel that had relatively rapid apelike development patterns. Oh 7 had longer arms and shorter legs than modern humans. Oh 62 short in stature and long arms similar to au. afarensis. 1. 8 mya homo ergaster appeared in africa human-like hominins begins. Probably learned to master fire and to hunt large game. Subsistence technology seems to have been less flexible than ours. Earliest evidence of the genus homo comes from east africa about 2. 3 mya. Leakey was convinced that oh 7 was evidence that a new, large-brained hominin was present in africa by 2 mya. Larger brain than any known australopith had. Knm-er 1813 more modern teeth, smaller brain than 1470.
