ANT101H5 Lecture 7: lec 7 [genus homo].docx
Document Summary
Increase in cranium size (cephalization) and reduction of dentition. Louis leakey (1960): discovered boisei: olduvai gorge, northern tanzania, homo habilis : important for two reasons. 1. 8 mya: genus homo suggesting it belongs to the same genus as modern human, habilis means handy --- standardized(early) toolmaker, this was the manufacturer for the tools. Exploited different diet that led to the extinction of boisei. East africa: omo, southern ethiopia, koobi fora, kmn-er 1470 richard leakey, olduvai gorge. South africa: sterkfontein, swartkrans early homo in comparison to australopithecines. Thin walled no crests: rounded vault, weakly projecting ridges. 752 cc (very large, larger than the avg early homo: rounded cranial vault, no heavy crests, robust face: Back teeth still quite large (but < australopithecines) Tool making : correlation with dental reduction and muscle reduction. Manuports: unaltered objects carried some distance before use. Chimpanzees use stones to fight, defense, and opening tools. Materials used are usually not found locally.