ANT102H5 Lecture Notes - Lecture 6: Olduvai Gorge, Louis Leakey, Richard Leakey
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Document Summary
Louis leakey (1960: olduvai gorge, northern tanzania, homo habilis. Ancestors to modern humans (included in the genus homo) East africa: omo, southern ethiopia, koobi fora, kmn-er 1470 richard leakey, olduvai gorge. General trends of early homo in comparison to australopithecines. Brain expansion 600-800 cc: significantly larger than the predating hominies. Thin walled no crests: rounded cranial vault, weakly projecting ridges, no sagittal crest, reduced prognathism, rounded cranial vault. Dentition: anterior teeth generally the same size as australopithecus, premolars and molars are reduced compared to australopithecines (but larger than modern humans) Koobi fora, richard leakey (1972) (son of mary and louis leakey) 752 cc: rounded cranial vault, no heavy crests, robust face, robust face with enlarged cranial capacity. Back teeth still quite large (but < australopithecines) Manuports: unaltered objects carried some distance before use. Lower paleolithic (old stone age) (lithic means stone tool) Important in brain evolution: emphasizes manual dexterity, requires a complex, abstract thought process.
