PSYCH 9A Chapter Notes - Chapter 4-5: David Buss, Natural Selection, Casual Sex
Document Summary
Selection consequences of the mate preferences of one sex exerting selection pressure on members of the opposite sex. Competition with each other, and the victors gain preferential mating access to members of the opposite sex. Psychological adaptations survival or reproduction; conceptualized as information processing devices. Define the primary mechanisms by which evolution takes place. Define sexual selection and its two primary processes. Identify the core premises of sexual strategies theory. Hostile forces of nature ie food shortages and high temperatures. Sexual selection theory- mate up to make babies. Intrasexual competition-members of the one sex compete against each other and the winner can be with the opposite sex (stags with their anthers to mate) (males box and wrestler to impress girls) Intersexual selection- members of one sex prefer certain qualities of inmates (health, looks, intelligence since they want it passed down to kids) (peacocks and feathers) Defined as: increase gene replication and frequency of a gene.