SciShow: How to Eat When You Don't Have a Mouth: Lessons From 5 Animals

Teacher or professor: SciShow
Subject: Science
Content of the Lesson: Not all animals have a mouth, or even need one to eat! These different feeding strategies can teach us a lot about our ancestors and how they went from not needing a mouth at all to only eating with one. Hosted by: Hank Green SciShow has a spinoff podcast! It's called SciShow Tangents. Check it out at http://www.scishowtangents.org ---------- 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: Kevin Bealer, Jacob, Katie Marie Magnone, D.A. Noe, Charles Southerland, Eric Jensen, Christopher R Boucher, Alex Hackman, Matt Curls, Adam Brainard, Jeffrey McKishen, Scott Satovsky Jr, Sam Buck, Ron Kakar, Chris Peters, Kevin Carpentier, Patrick D. Ashmore, Piya Shedden, Sam Lutfi, Charles George, Christoph Schwanke, Greg ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: Trichoplax adhaerens https://doi.org/10.1093/icb/icm015 https://doi.org/10.1371/journal.pone.0136098 https://doi.org/10.1038/nature07191 https://doi.org/10.1016/j.cub.2014.05.046 Bryozoans https://doi.org/10.1007/s12526-019-00948-w https://animaldiversity.org/accounts/Bryozoa/ https://doi.org/10.1666/13-029 https://doi.org/10.1111/pala.12189 Hydra vulgaris https://doi.org/10.1016/j.bpj.2016.01.008 https://doi.org/10.1002/bies.200800183 Paracatenula https://doi.org/10.1371/journal.pone.0034709 https://doi.org/10.1073/pnas.1105347108 https://doi.org/10.1073/pnas.1818995116 Hagfish https://doi.org/10.1098/rspb.2010.2784 https://doi.org/10.1038/srep00131 https://animaldiversity.org/accounts/Eptatretus_stoutii/ Images: https://commons.wikimedia.org/wiki/File:Trichoplax_adhaerens_photograph.png https://commons.wikimedia.org/wiki/File:Trichoplax.jpg https://commons.wikimedia.org/wiki/File:Trichoplax_revised_anatomy.png https://commons.wikimedia.org/wiki/File:Plumatella_repens_from_Haeckel_Bryozoa_drawing_Commons.jpg https://commons.wikimedia.org/wiki/File:Freshwater_Bryozoan234.JPG https://en.wikipedia.org/wiki/File:Polyps_of_Cnidaria_colony.jpg https://oceanservice.noaa.gov/education/tutorial_corals/coral01_intro.html https://www.inaturalist.org/observations/28006959 https://www.inaturalist.org/observations/33610065 https://www.eurekalert.org/multimedia/pub/110296.php?from=320887 https://www.eurekalert.org/pub_releases/2016-03/cp-itm030216.php https://commons.wikimedia.org/wiki/File:FMIB_50097_Hydra_vulgaris.jpeg https://www.eurekalert.org/multimedia/pub/197645.php?from=426129 https://vimeo.com/290672261 https://www.flickr.com/photos/dirtsailor2003/5562913211 https://en.wikipedia.org/wiki/File:Eptatretus_stoutii_1.jpg


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