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Unformatted text preview: ● young primate watch mother (learning) → Japanese Macaque: potato washing Bipedalism → human: habitual bipeds → non-human primates: facultative bipeds ● femur is angled ● femoral head enlarged ● shorter broader pelvis ● lesser gluteal muscle on side of hip ● enlarged lumbar vertebrae ● “S” shaped vertebral column ● rigid foot, enlarged heel bone ● toes aligned, big toe enlarged Sexual Dimorphism Male and Female Ratio Male : Female Humans 1.15 : 1 Chimpanzees 1.36 : 1 Gibbons 1 : 1 Gorilla 2 : 1...
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- Fall '08
- Physical Anthropology, femoral head, Anatomy and Behavior, young primate watch, lesser gluteal muscle