How Plants Caused the First Mass Extinction

Published on May 29, 2020
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Captions provided by CCTubes – Captioning the Internet! Check out Journey to the Microcosmos: https://youtube.com/microcosmos

In the middle of the Cambrian, life on land was about to get a little more crowded. And those newcomers would end up changing the world. The arrival of plants on land would make the world colder, drain much of the oxygen out of the oceans and eventually, it would help cause a massive extinction event.

Thanks to Fabrizio de Rossi for the excellent illustration of early terrestrial plants. You can find more of Fabrizio’s work here: https://www.facebook.com/ArtofFabricious/

And special thanks to Paul Strother for sending us an incredibly cool photo of an Ordovician plant spore for this video. Check out Paul’s website here:https://sites.google.com/bc.edu/paulkstrothersbcwebsite/home

Credit for Paleogeographic Map: Scotese, C.R., 2019. Plate Tectonics, Paleogeography, and Ice Ages, YouTube video: https://youtu.be/UevnAq1MTVA.

Produced in collaboration with PBS Digital Studios: http://youtube.com/pbsdigitalstudios

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References: https://docs.google.com/document/d/13WpWZjQ_LjFeeFzJz8u7eGuiAAY6ZaoPqyhpEoAB3C0/

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