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Lecture 11

Lecture 11 Early homo.doc

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Department
Anthropology
Course
ANT101H5
Professor
Sherry Fukuzawa
Semester
Winter

Description
th February 24 11.4 Lecture 11: THE GENUS HOMO EARLY HOMO 2.5­1.6 mya million years ago  • First find though Louis Leakey (1960) • Olduvai Gorge, Northern Tanzania • 1.8 mya • thus named the first: Homo habilis  Significance of the name Early tool makers Ancestors to modern humans Other Plio­Pleistocene sites Found in the same time period as.. Our ancestors  1. direct ancestor 2. habilis means handy, found with standardized tools  Other plio­pleistoncene sites found in… I. EAST AFRICA • Omo, Southern Ethiopia • Koobi Fora,  • KMN­ER 1470 – Richard Leakey • Olduvai Gorge II. SOUTH AFRICA • Sterkfontein  • Swartkrans General trends of early homo in comparison to Australopithecines… CRANIAL ANATOMY • Brain expansion 600­800 cc • Thin walled – no crests • Rounded vault • Weakly projecting ridges • Variable facial proportions between individuals KNM ER 1470 (homo rudolfensis?) February 24 th 11.4 • Koobi Fora, Richard Leakey (1972) • 1.9 mya • 752 cc • Rounded cranial vault • No heavy crests • Robust face • why its given its own name  but significant increase in cranial capacity… That’s  • Back teeth still quite large (but 
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