A Brief History of Life: Survival Is Hard

It turns out life may have gotten its start pretty early in Earth’s history, and while the first couple billion years saw several important developments, the period was still dominated by very simple life forms. This is our first installment in a four-part series on the history of life!

If you liked this video, check out more videos about natural history and paleontology on SciShow’s sister channel, Eons: https://www.youtube.com/eons

For A Brief History of Life
Part 2: https://youtu.be/kBUNR10wvhw
Part 3: https://youtu.be/oGVFVX6NTLs
Part 4: https://youtu.be/b8sYfyQrs_Q

Hosted by: Michael Aranda
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Images:
https://commons.wikimedia.org/wiki/File:EscherichiaColi_NIAID.jpg
https://commons.wikimedia.org/wiki/File:Babe_Ruth2.jpg
https://commons.wikimedia.org/wiki/File:Geologic_Clock_with_events_and_periods.svg
https://commons.wikimedia.org/wiki/File:SEUtahStrat.JPG
https://commons.wikimedia.org/wiki/File:Mgn_p39146.png
https://commons.wikimedia.org/wiki/File:Difference_DNA_RNA-EN.svg
http://www.eurekalert.org/pub_releases/2014-02/uow-obo022014.php
https://commons.wikimedia.org/wiki/File:It%27s_Raining_Comets_(Eta_Corvi).jpg
https://commons.wikimedia.org/wiki/File:Moon-craters.jpg
https://commons.wikimedia.org/wiki/File:Stromatolites_hoyt_mcr1.JPG
https://commons.wikimedia.org/wiki/File:Stromatolites_in_Shark_Bay.jpg
https://commons.wikimedia.org/wiki/File:Tolypothrix_(Cyanobacteria).JPG
https://commons.wikimedia.org/wiki/File:Continental_shelf.png
https://commons.wikimedia.org/wiki/File:Banded_Iron_Formation_Barberton.jpg
https://commons.wikimedia.org/wiki/File:AntarcticaDomeCSnow.jpg
https://commons.wikimedia.org/wiki/File:Mahameru-volcano.jpeg
https://commons.wikimedia.org/wiki/File:Celltypes.svg
https://commons.wikimedia.org/wiki/File:Plagiomnium_affine_laminazellen.jpeg
https://commons.wikimedia.org/wiki/File:ColonialFlagellateHypothesis.png