Geo Lab HW #2 - They said that the catastrophe would have...

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Geology Lab 115 20 April 2009 The episode that I investigated was the K-T extinction which occurred between the Mesozoic and Cenozoic Eras. This particular extinction occurred at the end of the Mesozoic Era and is also known as the Cretaceous-Tertiary boundary. Some scientists have claimed that this extinction was caused by some sort of catastrophe such as a volcanic eruption or a large meteor impact. Other scientists think that the catastrophe theories are false because so many creatures did, in fact, survive.
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Unformatted text preview: They said that the catastrophe would have to be large, but not large enough to wipe out all living things. The Mesozoic Era was said to be approximately one-hundred and thirty million years ago. During this time period the first flowers and primates started to emerge onto the land. Works Cited Cowen, Richard. "The End of the Dinosaurs: The K-T Extinction." "Geologic Time Chart with Mass Extinctions."...
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