How Animals Got Butts

Video Description

Find the PBS Audience Survey here: https://to.pbs.org/2024SurveyEons While the evolution of the butthole was a major breakthrough in animal development, its story might actually end with redefining what it means to have a butthole at all. Corrections: 06:10 Starfish are actually deuterostomes! Earthworms are protostomes. 06:18 Earthworms are actually protostomes! Starfish are deuterostomes. ***** PBS Member Stations rely on viewers like you. To support your local station, go to http://to.pbs.org/DonateEons ***** Eons is a production of Complexly for PBS Digital Studios. Super special thanks to the following Patreon patrons for helping make Eons possible: Randall George, Morgan, Kevin Lacson, Marco Narajos, Collin Dutrow, Pope John XII, Aaditya Mehta, AllPizzasArePersonal, John H. Austin, Jr., Alex Hackman, Stephen Patterson, Odditeas , Karen Farrell, Jason Rostoker, Jonathan Rust, Mary Tevington, Bart & Elke van Iersel - De Jong, Irene Wood, Derek Helling, Mark Talbott-Williams, Nomi Alchin, Duane Westhoff, Hillary Ryde-Collins, Yu Mei, Albert Folsom, Dan Caffee, Nick Ryhajlo, Jeff Graham If you'd like to support the channel, head over to http://patreon.com/eons and pledge for some cool rewards! Want to follow Eons elsewhere on the internet? Facebook - https://www.facebook.com/eonsshow Twitter - https://twitter.com/eonsshow Instagram - https://www.instagram.com/eonsshow/ #Eons #evolution References: https://docs.google.com/document/d/1yaOepBtg6D3CdjGwSJdIj0NRp7pLm2ZTZeDQMtvMuZU/edit?usp=sharing