PSYCO104 Lecture Notes - Lecture 3: Reciprocal Altruism, Parental Investment, Polygynandry
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PSYCO104 Full Course Notes
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Sex differences in parental investment explain mating systems. Two parents do not make equal parental investment. Competition for sex with highest parental investment (usually the female) Gender with highest parental investment will be more discriminating in mate selection. Cooperation: one individual helps another and gains some advantage. Altruism: one individual helps another but there are costs involved. E. g. ) putting oneself in danger to help another. I help you you help me in the future. Animals fight for position once and then resource access is set. Aggression makes evolutionary sense in some cases. Biological tendency towards aggression does not mean that animals will always act aggressively. Genetic determinism invariant and unavoidable effects are unalterable. If true, then interventions are not useful! Genes work through the environment genes have role in reaction range environment often determines placement. Important pursuit understand interaction b/w biology & experience importance of culture, environment, & biology. Social darwinism survival of the fittest (less fit have to go)
