PSYCO104 Study Guide - Midterm Guide: Melatonin, Gateway Drug Theory, Jet Lag

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PSYCO104 Full Course Notes
PSYCO104 Full Course Notes
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Broad adaptations: developed that influence multiple domains: language. Domain specific adaptation: developed that influence specific problems: food choice. Mating systems: variety of mating systems have evolved with child(cid:396)e(cid:374)(cid:859)s su(cid:396)(cid:448)i(cid:448)al (cid:449)hi(cid:272)h (cid:396)e(cid:395)ui(cid:396)es a lot of parental investment. Some species have many babies = little investment. Some species have few babies = lots of investment. Parental investment difference in gender: females: required to put in more time for child rearing, they can be more choosy on mates. Genders are similar sizes (less sexual dimorphism) Fish, bees, etc, some primates and humans. Mate preferences: more choice of mates for one with more parental investment, both want; Cooperation and altruism: cooperation: when an individual helps another individual and gains some advantages. Big advantages in terms of adaptation: altruism: when an individual helps another but there are costs involved. May lead to harm: kin selection theory. Altruism is key to survival of relatives, so genes live on. Genetic relatedness is key: theory of reciprocal altruism.