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Pilot Lecture: Earth’s Great Mass Extinctions

Discover the vital impact of mass extinctions on the evolution and diversification of life on Earth as we know it today.
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Overview

Earth is home to an abundance of life that is both complex and diverse. Yet, if you look back in time on a geologic scale—millions and even billions of years—life looks much simpler and more homogeneous than it does today. Why is that? The answer is extinction. Over the course of eons, lifeforms have evolved on Earth only to be completely wiped out, leaving us with only the fossilized traces of their presence. Why did these events happen? How did they transform the progress of evolution? And how was life able to recover after every major extinction event? In Earth’s Great Mass Extinctions, Dr. Rachel Phillips of the University of South Carolina will take you back to the Earth’s distant past to explore how death on a grand scale transformed the nature of life on our astonishing planet.
Earth’s Great Mass Extinctions

01: Earth’s Great Mass Extinctions

There have been several distinct events in Earth's history in which global mass extinctions have wiped out nearly all life on Earth. Join Dr. Rachel Phillips of the University of South Carolina to revisit these transformative events and discover what caused them, what effects they had, and how life recovered after each mass extinction.

26 min