BIO120H1 Study Guide - Midterm Guide: Galápagos Islands, Germination, Cloning

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4 Feb 2013
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BIO120H1 Full Course Notes
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BIO120H1 Full Course Notes
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Lecture 1: introduction to evolution (may 15th 2012: antibiotics, human mating (selection of mates) Ecology: what the types of adaptations are. Organisms change gradually over time + how it happens. Fossils (1700-1800) idea of evolving organisms (greeks) Lamarck did not have the mechanism right. Traits are acquired during an organism"s lifetime. Wallace: naturalist working in asia + south america (how) Lamarck believed that the stretching of necks was passed on (i. e. muscles) (1900) mendel showed that inheritance was not blending of blood. The origin of species (parsimony: unwillingness to spend money) Macroevolution: evolution of animals, extinction of dinosaurs (i. e. evolution of mammalian eye) Darwin as a companion to the captain. World has looked different, mountains have come and gone) Time required for change involved over billions of years. Multiple organisms to contend with (biotic interactions living) Epiphytes: organisms that grow on top of one another. Fixity of species (everything created at once, remained static)

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