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8.7 Human Evolution

8.7 Human Evolution. Pages 358-365. Our uniqueness . Complex reasoning abilities Enormous aptitude for learning Design and use of tools Language. Physical. Large brain Fine motor skills Bipedal. Examples. Prosimians Anthropoids Hominoids. Cladogram. DNA.

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8.7 Human Evolution

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  1. 8.7 Human Evolution Pages 358-365

  2. Our uniqueness • Complex reasoning abilities • Enormous aptitude for learning • Design and use of tools • Language

  3. Physical • Large brain • Fine motor skills • Bipedal

  4. Examples • Prosimians • Anthropoids • Hominoids

  5. Cladogram

  6. DNA • Humans and chimpanzees share 98.8% of their DNA

  7. Primates • Large brains • Forward looking eyes • Arms that rotate • Flexible hands and feet • Opposable thumbs • tails

  8. Early ancestor • 60-70 mya

  9. Fossils • Skull size • Hips, feet, leg bones, insteps • Tools and burial sites

  10. Timeline • 6-7mya Sahelanthropuswalked upright

  11. Timeline • 3.4 mya • Australopithecus aferensis

  12. Timeline • 3.6 mya

  13. Timeline • 2mya • Homo habilis(handy man)

  14. Out of Africa • 1.9 mya • Homo erectus wanders throughout Europe and Asia

  15. Timeline • 200 000-800 000 ya • Homo heidelbergensis

  16. Timeline • 500 000 ya • Homo neanderthalensis • Europe

  17. Timeline • 100 000 ya • Homo sapiens

  18. The last 1000 generations… • Developed agriculture • Lived in cities • 6000 languages • Rituals, customs, belief systems

  19. The last 10 generations… • Human population explosion

  20. Current human evolution • Lactose tolerance • Sense of taste • Medicine suppresses our natural response to illness. • Vitamin D • CCR5-D32 gene protects 10% of Europeans from HIV disease

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