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Dr Susannah Thorpe Dr Jeremy Pritchard

Christmas lecture. Am I an Ape?. Dr Susannah Thorpe Dr Jeremy Pritchard. 10s of years. 100s of years. 1000s of years. 1,000,000s of years ago MYA. Human Chimp Gorilla Orangutan Monkey.

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Dr Susannah Thorpe Dr Jeremy Pritchard

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  1. Christmas lecture Am I an Ape? Dr Susannah Thorpe Dr Jeremy Pritchard

  2. 10s of years

  3. 100s of years

  4. 1000s of years

  5. 1,000,000s of years ago MYA

  6. Human Chimp Gorilla Orangutan Monkey

  7. Human Chimp

  8. Australopithecus afarensis Lucy, 3 mya 1st to walk bipedally Human

  9. Homo habilis 2 mya 1st to use stone tools Australopithecus afarensis Lucy, 3 mya 1st to walk bipedally Human

  10. Homo erectus 1 mya 1st to make fire & hunt Homo habilis 2 mya 1st to use stone tools Australopithecus afarensis Lucy, 3 mya 1st to walk bipedally Human

  11. Christmas lecture Am I an Ape? …….Brains Dr Susannah Thorpe Dr Jeremy Pritchard

  12. Human Chimp H. erectus H. habilis A. afarensis Monkey ancestor

  13. Human Chimp H. erectus H. habilis A. afarensis Monkey ancestor

  14. Graph…………….

  15. Christmas lecture Am I an Ape? …locomotion Dr Susannah Thorpe Dr Jeremy Pritchard

  16. Swinging by its arms Running on its legs We can work out how extinct species moved by studying their humero-femoral index:  length of humerus vs. length of femur

  17. Humero-femoral index: 70 Measuring your humero-femoral index Humerus Femur

  18. <80 80-99 100 101-120

  19. Christmas lecture Am I an Ape? …bipedalism Dr Susannah Thorpe Dr Jeremy Pritchard

  20. Body shape • Greasy skin • Lots of sweat glands • Less body hair • Body fat • Crying salt tears • Human babies can swim

  21. Chimp and human bipedalism • Lockable knees • pelvic tilt & valgus angle

  22. Christmas lecture Am I an Ape? …footprints Dr Susannah Thorpe Dr Jeremy Pritchard

  23. Summary • Our relationships to other animals follow the same structure as our relationships to human relatives • Humans brains are big, but then so are the other apes • We are the only primate to walk bipedally, but actually there are many similarities to the gait of other apes

  24. Christmas lecture I am an Ape! Dr Susannah Thorpe Dr Jeremy Pritchard

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