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Everywhere in the animal kingdom you can find teeth in all sorts of shapes and sizes, so you probably think you have a pretty good idea where they came from. But in reality, this debate is still a hot one, and it may have something to do with scales!
Hosted by: Stefan Chin (he/him)
SciShow is on TikTok! Check us out at https://www.tiktok.com/@scishow
----------
Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow
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Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever:
Matt Curls, Alisa Sherbow, Dr. Melvin Sanicas, Harrison Mills, Adam Brainard, Chris Peters, charles george, Piya Shedden, Alex Hackman, Christopher R, Boucher, Jeffrey Mckishen, Ash, Silas Emrys, Eric Jensen, Kevin Bealer, Jason A Saslow, Tom Mosner, Tomás Lagos González, Jacob, Christoph Schwanke, Sam Lutfi, Bryan Cloer
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Sources:
https://www.eurekalert.org/news-releases/962779
https://pubmed.ncbi.nlm.nih.gov/25219878/
https://pubmed.ncbi.nlm.nih.gov/23016936/
https://www.nature.com/articles/nature.2013.13964
https://www.nature.com/articles/nature12645 (paywall)
https://onlinelibrary.wiley.com/doi/full/10.1111/brv.12805
https://elifesciences.org/articles/60985
https://research-information.bris.ac.uk/ws/portalfiles/portal/196095729/Ru_cklin_Donoghue_AF.pdf
https://www.nature.com/articles/nature11555 (paywall)
https://phys.org/news/2012-10-evolutionary-pretty.html
https://www.science.org/doi/10.1126/science.1079623 (paywall) (2003)
https://royalsocietypublishing.org/doi/10.1098/rsbl.2015.0326
https://onlinelibrary.wiley.com/doi/10.1111/pala.12318
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4528481/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3632217/
https://authors.library.caltech.edu/20188/3/nihms266189.pdf
Image Sources:
https://commons.wikimedia.org/wiki/File:Denti_di_Cavallo,_Horse_teeth,_museo_Anatomia_Comparata_di_Bologna.JPG
https://www.gettyimages.com/detail/photo/lioness-snarling-royalty-free-image/157609558?phrase=lion%20teeth&adppopup=true
https://www.gettyimages.com/detail/photo/closeup-african-woman-point-finger-at-perfect-white-royalty-free-image/1216575515?phrase=teeth%20smile
https://www.gettyimages.com/detail/photo/snail-on-the-moss-royalty-free-image/1139918730?phrase=snail&adppopup=true
https://commons.wikimedia.org/wiki/File:Tentacle,_mouth_(with_radula)_and_eggs_of_Planorbarius_corneus_snails.jpg
https://www.gettyimages.com/detail/illustration/structure-cross-section-of-grinder-tooth-royalty-free-illustration/1024123124?phrase=teeth%20diagram
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2637924/figure/pbio-1000031-g002/
https://commons.wikimedia.org/wiki/File:Denticules_cutan%C3%A9s_du_requin_citron_Negaprion_brevirostris_vus_au_microscope_%C3%A9lectronique_%C3%A0_balayage.jpg
https://www.gettyimages.com/detail/photo/lemon-shark-in-its-natural-habitat-royalty-free-image/1247044163?phrase=Negaprion%20brevirostris&adppopup=true
https://www.gettyimages.com/detail/photo/great-white-shark-smiling-royalty-free-image/515714114?phrase=shark%20teeth&adppopup=true
https://commons.wikimedia.org/wiki/File:Arandaspis_prionotolepis_fossil.jpg
https://www.eurekalert.org/multimedia/947315
https://www.gettyimages.com/detail/photo/close-up-of-mixed-breed-monkey-between-chimpanzee-royalty-free-image/119838172?phrase=teeth%20animal&adppopup=true
https://commons.wikimedia.org/wiki/File:Archeognathus_primus.png
https://www.flickr.com/photos/internetarchivebookimages/20058249074/
https://www.gettyimages.com/detail/photo/scales-of-the-amazon-snakehead-fish-which-has-a-royalty-free-image/1249093085?phrase=scales%20fish&adppopup=true
https://www.gettyimages.com/detail/photo/panoramic-dental-x-ray-royalty-free-image/171294275?phrase=tooth%20xray&adppopup=true
https://www.gettyimages.com/detail/photo/eating-orange-royalty-free-image/528418376?phrase=teeth%20eating&adppopup=true
Everywhere in the animal kingdom you can find teeth in all sorts of shapes and sizes, so you probably think you have a pretty good idea where they came from. But in reality, this debate is still a hot one, and it may have something to do with scales!
Hosted by: Stefan Chin (he/him)
SciShow is on TikTok! Check us out at https://www.tiktok.com/@scishow
----------
Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow
----------
Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever:
Matt Curls, Alisa Sherbow, Dr. Melvin Sanicas, Harrison Mills, Adam Brainard, Chris Peters, charles george, Piya Shedden, Alex Hackman, Christopher R, Boucher, Jeffrey Mckishen, Ash, Silas Emrys, Eric Jensen, Kevin Bealer, Jason A Saslow, Tom Mosner, Tomás Lagos González, Jacob, Christoph Schwanke, Sam Lutfi, Bryan Cloer
----------
Looking for SciShow elsewhere on the internet?
SciShow Tangents Podcast: https://scishow-tangents.simplecast.com/
Facebook: http://www.facebook.com/scishow
Twitter: http://www.twitter.com/scishow
Instagram: http://instagram.com/thescishow
#SciShow #science #education
----------
Sources:
https://www.eurekalert.org/news-releases/962779
https://pubmed.ncbi.nlm.nih.gov/25219878/
https://pubmed.ncbi.nlm.nih.gov/23016936/
https://www.nature.com/articles/nature.2013.13964
https://www.nature.com/articles/nature12645 (paywall)
https://onlinelibrary.wiley.com/doi/full/10.1111/brv.12805
https://elifesciences.org/articles/60985
https://research-information.bris.ac.uk/ws/portalfiles/portal/196095729/Ru_cklin_Donoghue_AF.pdf
https://www.nature.com/articles/nature11555 (paywall)
https://phys.org/news/2012-10-evolutionary-pretty.html
https://www.science.org/doi/10.1126/science.1079623 (paywall) (2003)
https://royalsocietypublishing.org/doi/10.1098/rsbl.2015.0326
https://onlinelibrary.wiley.com/doi/10.1111/pala.12318
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4528481/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3632217/
https://authors.library.caltech.edu/20188/3/nihms266189.pdf
Image Sources:
https://commons.wikimedia.org/wiki/File:Denti_di_Cavallo,_Horse_teeth,_museo_Anatomia_Comparata_di_Bologna.JPG
https://www.gettyimages.com/detail/photo/lioness-snarling-royalty-free-image/157609558?phrase=lion%20teeth&adppopup=true
https://www.gettyimages.com/detail/photo/closeup-african-woman-point-finger-at-perfect-white-royalty-free-image/1216575515?phrase=teeth%20smile
https://www.gettyimages.com/detail/photo/snail-on-the-moss-royalty-free-image/1139918730?phrase=snail&adppopup=true
https://commons.wikimedia.org/wiki/File:Tentacle,_mouth_(with_radula)_and_eggs_of_Planorbarius_corneus_snails.jpg
https://www.gettyimages.com/detail/illustration/structure-cross-section-of-grinder-tooth-royalty-free-illustration/1024123124?phrase=teeth%20diagram
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2637924/figure/pbio-1000031-g002/
https://commons.wikimedia.org/wiki/File:Denticules_cutan%C3%A9s_du_requin_citron_Negaprion_brevirostris_vus_au_microscope_%C3%A9lectronique_%C3%A0_balayage.jpg
https://www.gettyimages.com/detail/photo/lemon-shark-in-its-natural-habitat-royalty-free-image/1247044163?phrase=Negaprion%20brevirostris&adppopup=true
https://www.gettyimages.com/detail/photo/great-white-shark-smiling-royalty-free-image/515714114?phrase=shark%20teeth&adppopup=true
https://commons.wikimedia.org/wiki/File:Arandaspis_prionotolepis_fossil.jpg
https://www.eurekalert.org/multimedia/947315
https://www.gettyimages.com/detail/photo/close-up-of-mixed-breed-monkey-between-chimpanzee-royalty-free-image/119838172?phrase=teeth%20animal&adppopup=true
https://commons.wikimedia.org/wiki/File:Archeognathus_primus.png
https://www.flickr.com/photos/internetarchivebookimages/20058249074/
https://www.gettyimages.com/detail/photo/scales-of-the-amazon-snakehead-fish-which-has-a-royalty-free-image/1249093085?phrase=scales%20fish&adppopup=true
https://www.gettyimages.com/detail/photo/panoramic-dental-x-ray-royalty-free-image/171294275?phrase=tooth%20xray&adppopup=true
https://www.gettyimages.com/detail/photo/eating-orange-royalty-free-image/528418376?phrase=teeth%20eating&adppopup=true
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