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Why did dinosaurs go extinct?
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Classroom Contents
The Cretaceous-Palaeogene Mass Extinction: What Do We Really Know?
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- 1 Intro
- 2 Extinction events through time
- 3 Big 5 Mass Extinction Events
- 4 Other than dinosaurs, what went extinct?
- 5 Extinction in the oceans
- 6 What do we know about extinction on land?
- 7 Why did dinosaurs go extinct?
- 8 Were dinosaurs already on their way out?
- 9 But what about just before the K-Pg boundary?
- 10 In search of a cause for the K-Pg extinction
- 11 Late Cretaceous event #1: Sea level fluctuations
- 12 Timing of Deccan volcanism - Classic View
- 13 Timing of Deccan volcanism - New View
- 14 Late Cretaceous event #4: Meteorite impact
- 15 But where is the crater???
- 16 How big was the Chicxulub meteorite?
- 17 How big is the Chicxulub Crater?
- 18 Badlands of Alberta, Canada
- 19 And Life goes on...
- 20 So what is the likely cause of the K-Pg extinction?
- 21 Mass extinction events occur when two factors coincide.
