Bipedalism

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Bipedalism
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Whats wrong with this picture?
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• Ardipithecus/Austalopithecus ramidus
• A. anamensis
• Australopithecus afarensis
• Lucy
• Laetoli footprints

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Afarensis
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Bipedality
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Foramen magnum
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Other Australopithecines

• A. Africanus
• A. robustus
• A. boisei

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Why Bipedalism?

• Four Hypothesis
• Range of Vision
• Intimidate Predators
• Radiator Theory
• Efficient Locomotion

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Disadvantages of Bipedalism?
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Monkey vs. Human having a baby
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Brain size
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A. boisei vs. H. erectus
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Changes in Australopithecine and Homo dentition
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Olduwan Tool Making
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Syllabus Corrections

• For Monday, Zimmer, Chapter 6
• Title for Ch. 6 in the syllabus is wrong but
  page numbers are correct!
• For Friday, title for class lecture should be
  Emergence of Modern Humans