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

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En bref

Ajouté le

17 mars 2026

Matière et domaine

life-health · biodiversity-classification

Niveaux scolaires

9e année (3e)–12e année (Terminale)

Type de page

Video

Mots-clés

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 hank green

Introduction

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 12.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

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