Evolution: It's a Thing - Crash Course Biology #20

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. 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: http://www.hisl.ent.msu.edu/discussion/Miller_et_al_2006.pdf http://www-personal.umich.edu/~gingeric/PDGwhales/Whales.htm http://evolution.berkeley.edu/evolibrary/article/history_16 http://www.thomsonedu.com/community/russell/Russell_19_401-418%2012.pdf http://articles.latimes.com/2010/jul/28/science/la-sci-marsupial-20100728 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2555653/pdf/bullwho00311-0137.pdf http://news.nationalgeographic.com/news/2008/04/080421-lizard-evolution.html Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Instagram - https://www.instagram.com/thecrashcourse/ CC Kids: http://www.youtube.com/crashcoursekids