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Extinction Events

Extinction Events

There have been six mass extinction events in the almost 4 billion years that life has been on Earth. How did they happen?

Chapters

Think about the following questions as you watch the video


  1. What causes mass extinction events?
  2. What do many people think led to the extinction of the dinosaurs?
  3. How did the extinction of the dinosaurs help mammals thrive?
  4. What is causing the sixth mass extinction event?