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Currently Playing: Every Animal In Your DNA

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 Get the maps! https://www.dosmaps.com Here's my Instagram: https://www.instagram.com/dcwalliman Patreon: https://www.patreon.com/ScienceMaps 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