The Complete History of the Earth: Cambrian Period

This week I finally make it to the dawn of complex life and many or the animal groups that we know today. It's still quite a strange world, but this is a critical point in our plenets history, the Cambrian Explosion. during this event, there was a massive increase in the biodiversity of the Earth withing just a few million years. This would set the stage for everything that has yet to come.