ANT211H5 Study Guide - Final Guide: Proximate And Ultimate Causation, Population Genetics, Ornithology

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15 Dec 2017
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Natural selection: a process that causes gradual evolution in a species, has to do with reproductive success (some species are more successful than others, variation in a population results in competition that drive natural selection. Reproductive advantage: genetic traits are passed down to offspring (50-50 split from. Proximate causation: the mechanism immediately responsible for causing. Coefficient of relatedness o in a sexual species, parent-offspring relatedness is r = 0. 5. Benefits of sex: evolutionary potential (not every offspring will pick up. Sex: the shared parenthood of two individuals of the same species. Isogamy: gametes are alike (the same size, shape etc. ) Preformationism: an outdated theory states that every structural element in an. Gonadal steroid: have two types of functions organism has separate pre-cursors. Organizing function: happens in utero, permanent sex difference, sex differences developed in. Activating function puberty: example: the development of breast in girls. Gonadal hormone control o there are two types of hormone control one that occurs.