The Cretaceous ? Tertiary Boundary (K-T) Extinction

The Cretaceous ? ordinal limit point (K-T) Extinction ABSTRACT some(prenominal) nap quenchings have occurred during the Earths history. The Cretaceous Tertiary Boundary (K-T) Extinction caused the loss of at least three-quarters of altogether species cognise at that time including the dinosaurs. The cause of this mass experimental extermination is a controversial subject among scientists but the fossil express of its occurrence is abundant. INTRODUCTION The K-T Extinction occurred 65 jillion historic period ago. Many species perished in that quenching. Today order for this extinction stub be seen in the fossil record.

Biological, botanical and geological evidence at the Cretaceous Tertiary Boundary come on that some enormous event occurred that caused mass extinction of rid spirit on the Earth. Controversy about the cause of the K-T extinction exists with dickens main theories currently being in favour. one and only(a) possible action is called Intrinsic Gradualism and believes the cause of the K-T Extinction was a slow and graduated Ear...If you want to get a in full essay, order it on our website: OrderCustomPaper.com

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