Psychology 2075 Chapter 3/4: Unit 2 Textbook Notes - Chapter 3 and 4
2 Dec 2015
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Unit one: chapter three theoretical perspectives on sexuality. Libido, how the biological sex drive expresses itself so strongly and directly. Use principles from evolutionary biology to explain why certain patterns of social beh and psychological mechanisms have evolved such animals, including humans. The idea that some humans are a result of evolution is called sociobiology. What counts is producing lots of healthy, viable offspring who will carry on one"s genes evolution. A theory that all living things have acquired their present forms through gradual changes in their genetic endowment over successive generations. One major criterion is physical attractiveness of the person. Physique and complexion indicative of the health and vigour of the individual. In turn, related to the person"s reproductive potential: natural selection prefer mates who have max reproductive success. Once a man and woman mate, there are several obstacles to reproductive success; Infant vulnerability is greatly reduced if the mother provides continuing physical care, including breastfeeding.
