ANTH 1 Study Guide - Final Guide: Homo Ergaster, Homo Erectus, Homo Habilis
Document Summary
Mid-saggital crest: ridge of bone on top of skull. 3. 9 2. 9 mya in ethiopia, kenya and tanzania (east africa) Lucy"s baby (cid:523)(cid:885). (cid:885) mya using k-ar dating) found in dikika, ethiopia in 2006 (cid:498)first family(cid:499) (cid:523)al-333) 3. 2 mya (cid:498)taung child(cid:499) found by raymond dart, brain size (cid:886)(cid:887)(cid:882) cc. Vertical cranial walls, small cranium, reduced zygomatic arches and. Australopithecus sediba postorbital construction and smaller teeth, long arms. Derived femoral morphology, bipedal with big toe parallel to other toes. Sagittal crest, wide cheek bones for heavy chewing. Homo habilis rounder head, steeper forehead (550-800 cc), widest part of skull is back of. Smaller teeth and jaw, reduced protruding jaw (prognathism), longer and. Related to taung child, australopithecus africanus (cid:498)bone-tooth-(orn(cid:499) to hunt animals. Used oldowan stone tools from 2. 6 1. 5 mya in ethiopia, kenya, tanzania. Homo erectus outside africa, homo ergaster inside africa. Koobi for a, dmanisi, georgia, java indonesia. First fossil found in trinil, java in indonesia about 1. 7 mya.
