You are the living ancestor of an unbroken chain of lives stretching from you, through your mother and your grandmother all the way back through the complete history of life on planet Earth to the very first life forms that appeared around four billion years ago. #naturalhistory #DomainOfScience You can buy this poster here: https://www.redbubble.com/people/dominicwalliman/works/28504585-the-chain-of-life-your-evolutionary-history?asc=u&p=poster&rel=carousel Get all my other posters here: https://www.redbubble.com/people/dominicwalliman And free downloadable versions of this and the other posters here. If you want to print them out for educational purposes please do! https://www.flickr.com/photos/95869671@N08/ More info and links: Times humans nearly became extinct https://io9.gizmodo.com/close-calls-three-times-when-the-human-race-barely-esc-1730998797 Bottlenecks of human population https://academic.oup.com/mbe/article/17/1/2/975516/Population-Bottlenecks-and-Pleistocene-Human Animal Ancestors illustration https://ntamura.deviantart.com/art/Evolution-project-178230251 Timeline of the evolutionary history of life on Earthh https://en.wikipedia.org/wiki/Timeline_of_the_evolutionary_history_of_life#cite_note-NAT-20170301-15 Early sponge http://www.sciencemag.org/news/2015/03/oldest-known-sponge-pushes-back-date-key-split-animal-evolution List of phylogeny of human ancestors https://biology.stackexchange.com/questions/27992/largest-direct-ancestor-of-humans Acorn worm genes shared with humans http://www.scienceworldreport.com/articles/33346/20151119/evolution-worms-70-percent-human-genes-trace-ancestry-acorn-worm.htm Thanks so much to my supporters on Patreon. If you enjoy my videos and would like to help me make more this is the best way and I appreciate it very much. https://www.patreon.com/domainofscience The Great Courses Plus is currently available to watch through a web browser to almost anyone in the world and optimized for the US market. The Great Courses Plus is currently working to both optimize the product globally and accept credit card payments globally. I also write a series of children’s science books call Professor Astro Cat, these links are to the publisher, but they are available in all good bookshops around the world in 18 languages and counting: Frontiers of Space (age 7+): http://nobrow.net/shop/professor-astro-cats-frontiers-of-space/ Atomic Adventure (age 7+): http://nobrow.net/shop/professor-astro-cats-atomic-adventure/ Intergalactic Activity Book (age 7+): http://nobrow.net/shop/professor-astro-cats-intergalactic-activity-book/ Solar System Book (age 3+, available in UK now, and rest of world in spring 2018): http://nobrow.net/shop/professor-astro-cats-solar-system/ Solar System App: And the new Professor Astro Cat App: https://itunes.apple.com/us/app/galactic-genius-with-astro-cat/id1212841840?mt=8 Find me on twitter, Instagram, and my website: http://dominicwalliman.com/ https://twitter.com/DominicWalliman https://www.instagram.com/dominicwalliman https://www.facebook.com/dominicwalliman