Download - Unit 1 Scientific Approaches
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Unit 1 Scientific Approaches
Chapter 17
Evolutionary psychology
• Human behaviors evolved from bio processes and natural selection
• Culture also evolved to benefit individuals and the population
Human evolution
• Common ancestor of apes and humans 7-9 mya
• Diverged• Human ancestors from
Africa• Family Hominidae• Genus Ardipithecus• Genus Australopithecus
Meet Ardi and Lucy
Bipedal walking• Spinal column
attached to base and center of skull
• Pelvic structure• Fossil footprint
Larger brain size
• Homo erectus• Flatter face• Smaller teeth• Athletic body• Hunted, used fire,
made tools, ran
Ice ages
• Human groups adapted to colder climates
• Neanderthals (pre homosapiens)
• Cro-Magnon man• Complex tools