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Evolutionary Psychology: Understanding Human Behavior Through Biology and Culture

This chapter explores evolutionary psychology, highlighting how human behaviors developed from biological processes and natural selection. It examines the evolution of culture, which benefited both individuals and populations. Key concepts include the common ancestor of humans and apes, the divergence of human ancestors from Africa, and the importance of fossils like Ardi and Lucy in revealing traits such as bipedalism and brain size. It also discusses the adaptations of human groups, the Neanderthals, and the emergence of Cro-Magnon man with their advanced tool-making capabilities.

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Evolutionary Psychology: Understanding Human Behavior Through Biology and Culture

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Presentation Transcript

  1. Unit 1 Scientific Approaches Chapter 17 Evolutionary psychology

  2. Human behaviors evolved from bio processes and natural selection • Culture also evolved to benefit individuals and the population

  3. Human evolution • Common ancestor of apes and humans 7-9 mya • Diverged • Human ancestors from Africa • Family Hominidae • Genus Ardipithecus • Genus Australopithecus

  4. Meet Ardi and Lucy

  5. Bipedal walking • Spinal column attached to base and center of skull • Pelvic structure • Fossil footprint

  6. Larger brain size • Homo erectus • Flatter face • Smaller teeth • Athletic body • Hunted, used fire, made tools, ran

  7. Ice ages • Human groups adapted to colder climates • Neanderthals (pre homosapiens) • Cro-Magnon man • Complex tools

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