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  • Fossils, Genes, and Embryos

    Fossils, Genes, and Embryos


    (58 min 30 sec) The genetic mechanisms by which evolution occurs, and an overview of the evidence for evolutionary theory.

  • Selection in Action

    Selection in Action


    (58 min 29 sec) Comparing the artificial selection of dogs and corn with the natural selection of the stickleback fish.