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

4. 10s of years

5. 100s of years

6. 1000s of years

7. 1,000,000s of years ago MYA

9. Human Chimp Gorilla Orangutan Monkey

10. Human Chimp

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

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

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

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

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

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

19. Graph…………….

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

27. 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

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

29. <8080-99 100101-120

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

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

35.  Lockable knees  pelvic tilt & valgus angle Chimp and human bipedalism

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

40. 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

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