ANT203Y1 Lecture Notes - Lecture 5: Speciation, Ecological Niche, Genetic Drift
12 Oct 2012
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Fill-in-the-blank, multiple choice (scantron, bring pencil), and short answer. Lecture, chapters, and short film from next week. Natural selection and behaviour (didn"t get to it, this class) Seed-eating insect studied by scott harrell (?) Males will mount females and copulate for about 10 minutes to transfer sperm. Males will stay in that position for up to hours, called mate guarding . Variable patterns some mate guarded a lot, others more in response to sex ration. Males with more flexible variable strategies tended to have higher fitness. Males had same strategies as their fathers. Crested macaques warn each other of a nearby predator through vocalisations. Chimpanzees learn to crack open nuts with a rock, and the babies learn this through observation. Affect morphology, physiology, and behaviour of a particular species in a particular environment. E. g. beak size in the galapagos finches on daphne major. Starting point: physical similarities, but must indicate evolutionary relationships.
