ARCH 112 Lecture Notes - Lecture 9: Olduvai Gorge, Paranthropus Aethiopicus, Paranthropus Robustus
10 Sep 2018
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The robust australopithecines (continued) (2. 5-1 mil years ago) The black skull darker in color b/c was found in a soil containing manganese which the skull absorbed during fossilization. 400 cc- smallest cranial capacity of the robust australopithecines. Koobi fora, kenya and olduvai gorge, tanzania. Nut cracker massive jaw for tough foods. Bipedalism emerged millions of years before the increase in size of brain and reduction is. Expansion of the brain- brain size increases from chimpanzee"s size brain to 50% of modern. *know how robusts are different from graciles * Trends in hominin evolution size of face and jaw human brain. Evidence of stone tool manufacture, and the evidence of reliance of meat in the diet which means they used a lot more energy because they needed meat to get that energy back shows an increase of intelligence. teeth. Gorge exposes 2 million years of the earth"s history ravine 300 ft deep in east africa.
