ANT 2000 Study Guide - Quiz Guide: Olduvai Gorge, Paleolithic, Homo Habilis
Document Summary
Adaptive radiation involving populations in africa, europe, and asia. Nearly 30 genera recognized, many with no living descendants. Date range of last common ancestor between chimpanzees and modern humans. Fossil evidence finds support in molecular data, which puts african ape-human split at 8-5 mya. Australopithecus bipedal hominin that inhabited the savannah between 4. 2 and 1. 1 mya. "gracile" forms: delicate chewing structure, diet included more meat. "robust form": more vegetable matter, large muscles, back teeth, and bones associated with chewing. What was the significance of "lucy" provided definite evidence for bipedalism from an early hominin with a skull not that much bigger than a chimp. Humans were built from the ground up, not top down. Larger cranial capacity and front teeth than australopithecines, but smaller molars. Simple flaked stone tools defined from 1. 85 mya strata at olduvai gorge, Mark the beginning of the lower paleolithic (old stone age)
