ARCH 100 Chapter 3: CH. 3

• School: Simon Fraser University
• Department: Archaeology
• Course: ARCH 100
• Professor: Ross Jamieson

Document Summary

Hominins: include all members of the human lineage after it split w/ the chimpanzee lineage. It is referred as hominids: sahelanthropus tchadensis: the oldest fossils thought to belong to the hominin, ardiphithecus ramidus: another early hominin. Discovered at the site of aramis in ethiopia: radiation: a period in which there is a rapid increase in the diversity of a single lineage. There was a radiation in the hominin lineage. Wide diversity of new species evolves, each of which adapts to a particular ecological niche: australopithecines: a hominin genus lived in africa b/t 4 million & 2. 5 million years ago. Earliest evidence of walked on 2 legs: kenyanthropus: dates 3. 5 million ago. Similar to the australopithecines: paranthropus: known as robust australopithecus, massive molars & muscles for chewing. Diets included seeds or fruits w/ a hard outer coating: homo habilis: lacked the heavy chewing muscles & large teeth.