Life on Earth starts as single-cell bacteria and stays like that for two billion years; then, a miraculous event transforms Earth into a complex interconnected web based on a competition for food. Watch more One Strange Rock now on Disney+: https://www.disneyplus.com/series/one-strange-rock/bON1qBV74Bes ➡ Subscribe: http://bit.ly/NatGeoSubscribe Get More National Geographic: Official Site: http://bit.ly/NatGeoOfficialSite Facebook: http://bit.ly/FBNatGeo Twitter: http://bit.ly/NatGeoTwitter Instagram: http://bit.ly/NatGeoInsta TikTok: http://www.tiktok.com/@natgeo Tenor: http://on.natgeo.com/31b3Koc About National Geographic: National Geographic is the world's premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past the edge of what's possible. Alien (Full Episode) | One Strange Rock https://www.youtube.com/watch?v=30r45P1JFys National Geographic null