ANTA01H3 Lecture Notes - Lecture 8: Olduvai Gorge, Homo Habilis, Sagittal Crest
Document Summary
Early homo brains and tools: early hominids have bigger brain to body size ratio, pleisticene is known as great ice age. Anta 01: lec 8- the archaeology of early homo nov 6. Olduvai early homo compared to homo erectus: much smaller brain, maintains ape body proportions: long arms and short legs, more primitive like an australopithecine. Lumpers say fossils date to the same time period and they are the same size so they are the same species: splitters call them 2 different species, bc we cant prove they are the same. Homo erectus: first true homo: truly larger brains, advanced tool use, human-like teeth and jaws. Oldewan industry: first at olduvai gorge, 7 m below bed 1, early homo, p. boisei, oldest are 2. 5 mya from hadar, microscopic wear patterns show they were used for cutting grasses, meat and wood. Simple tool technology: hard hammer, direct percussion, original thought core tool choppers, scrapers, now-as flakes as sharp edges too.