76879 What Did the First Animal Look Like?

What Did the First Animal Look Like?





If you trace your way back along the tree of life, eventually you'd come face-to-face with the very first animal. But what exactly would that animal have looked like? Hosted by: Stefan Chin SciShow has a spinoff podcast! It's called SciShow Tangents. Check it out at https://www.scishowtangents.org
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Sources: https://evolution.berkeley.edu/evolibrary/article/0_0_0/phylogenetics_01
https://www.nature.com/scitable/topicpage/reading-a-phylogenetic-tree-the-meaning-of-41956
https://cnx.org/contents/24nI-KJ8@24.18:EmlvXoDL@7/Taxonomy-and-phylogeny
https://www.ncbi.nlm.nih.gov/pubmed/20027787
https://www.quantamagazine.org/comb-jelly-neurons-spark-evolution-debate-20150325/
https://www.nature.com/articles/s41559-017-0331-3
https://www.cell.com/trends/ecology-evolution/fulltext/S0169-5347(15)00062-2
https://courses.lumenlearning.com/wm-biology1/chapter/reading-darwin-and-descent-with-modification/ https://education.seattlepi.com/principle-parsimony-biology-3856.html
https://ocean.si.edu/ocean-life/invertebrates/jellyfish-and-comb-jellies https://www.ncbi.nlm.nih.gov/pubmed/18322464
http://www.qm.qld.gov.au/Find+out+about/Animals+of+Queensland/Sea+Life/Sponges/Unique+features+of+sponges#.XFzwRc9Kg6V
http://www.ucmp.berkeley.edu/cnidaria/ctenophora.html
https://news.nationalgeographic.com/2015/09/150911-blind-cavefish-animals-science-vision-evolution/
https://www.sciencedirect.com/science/article/pii/S1871174X17300215 http://advances.sciencemag.org/content/1/6/e1500092 https://www.ncbi.nlm.nih.gov/pubmed/29287988 https://academic.oup.com/bfg/article/15/5/333/1741867 https://www.ncbi.nlm.nih.gov/pubmed/29287988 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4432959/

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