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Evolution: It's a Thing - Crash Course Biology #20
Evolution: It's a Thing - Crash Course Biology #20
Description :Hank gets real with us in a discussion of evolution - it's a thing, not a debate. Gene distribution changes over time, across successive generations, to give rise to diversity at every level of biological organization. Crash Course Biology is now available on DVD! Like CrashCourse on Facebook: Follow CrashCourse on Twitter: Table of Contents 1) The Theory of Evolution 1:49 2) Fossils 2:42 3) Homologous Structures 4:36 4) Biogeography 7:02 5) Direct Observation 8:52 References for this episode can be found in the Google document here: evolution, theory, biology, science, crashcourse, genetics, gene, facts, fossil, fossil record, dinosaur, extinct, extinction, organism, dorudon, rodhocetus, vestigial, structure, similarity, homologous structure, related, relationship, morganucodon, fore limb, hind limb, vertebrate, molecule, DNA, RNA, chimpanzee, fruit fly, biogeography, marsupial, finches, direct observation, drug resistance, resistance, selective pressure, italian wall lizard Support CrashCourse on Subbable:
Duration : 11m 44s
Uploader : CrashCourse
Added On: : 2012 11
Views : 1254885
Likes : 18008
Dislikes: : 939

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