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Archaic H. sapiens Zambia

Archaic H. sapiens Zambia. Modern H. sapiens Ethiopia. 300,000 ybp. 160,000 ybp. Earliest modern humans Africa: c. 200,000 ybp Asia: c. 90,000 ybp Europe: c. 35,000 ybp. Klasies River Mouth Cave South Africa. chin. 90,000 ybp.

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Archaic H. sapiens Zambia

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  1. Archaic H. sapiens Zambia Modern H. sapiens Ethiopia 300,000 ybp 160,000 ybp

  2. Earliest modern humans Africa: c. 200,000 ybp Asia: c. 90,000 ybp Europe: c. 35,000 ybp

  3. Klasies River Mouth Cave South Africa chin 90,000 ybp

  4. Early modern humans more robust than present populations from the same regions Lothagam, Kenya 9,000 ybp Zhoukoudian, China 29,000 ybp

  5. Cro Magnon, France 30,000 ybp No trace of Neandertal features

  6. But, Neandertal features in other populations of modern humans Modern Croatian Neandertal;

  7. Chauvet Cave, France: c. 20,000 ybp

  8. Evolution in isolation

  9. Homo floresiensis ?

  10. Dwarfism and Gigantism on Islands • Not universal but fairly common • Natural selection • Dwarfism: food energy constraint • Gigantism: availability of large prey

  11. Gigantism: Komodo Dragons

  12. Dwarfism Stegodon Flores dwarf Est. 800 pounds

  13. Liang Bua cave

  14. Specialized tools, possibly hafted Note Small size

  15. 2003 Skeleton Discovery • Unearthed a skull, jaw, pelvis, and leg bones. • Bones from an adult female. • Homo erectus-like features (sloping forehead, arched brow ridges, but much smaller. • Smallest brain of genus Homo • 1/3 size of modern humans. • Specimen was radiocarbon and luminescence dated at about 18,000 years old.

  16. Homo floresiensis reported in 2004 Brain smaller than that of smallest Australopithcines 380-420 cc Two dating methods: 35,000 – 18,000 ybp

  17. c 3 ft tall c. 55 lbs.

  18. Did H. floresiensis interact with H. sapiens? • Modern humans arrived in Borneo roughly 43,000 years ago • Liang Bua site in Flores was buried by a volcano 11,000 years ago. • 20,000 years of possible co-existence.

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