The Cretaceous ? Tertiary Boundary (k-t) Extinction

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Issue:

Humanities

 

Written by:

Santos P

 

Date added:

December 7, 2011

 

Level:

University

 

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No of pages / words:

9 / 2467

 

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6078 times

 

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Essay content:

Many species perished in that extinction. Today evidence for this extinction can be seen in the fossil record. Biological, botanical and geological evidence at the Cretaceous ? Tertiary Boundary show that some enormous event occurred that caused mass extinction of life on the Earth. Controversy about the cause of the K-T extinction exists with two main theories currently being in favour...
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Controversy about the cause of the K-T extinction exists with two main theories currently being in favour. One theory is called Intrinsic Gradualism and believes the cause of the K-T Extinction was a slow and gradual Earth generated event, caused by intense volcanic activity and the effect of plate tectonics...
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