Extinction On Dinosaurs Theories of the Extinctions of the Dionsaurs: Dinosaurs became extincted 65 million years ago, at the end of the Cretaceous period, something so devastating that it altered the caterpillar track of life on domain. It seems like it happened so sudden, as geologic time goes, that almost all the dinosaurs living on earth disappeared. So how did these dominant creatures just die off? Was it a slow extinction, or did it happen all of the sudden? These doubtfulnesss contribute rise to many different beliefs on how the dinosaur disappeared over 65 million years ago.
Extinction is when the birth rate fails to sustentation up with the death rate, it is called extinction. But, the definition does not answer the question about the nature or causes of extinction. Paleontologists generally divide extinctions into 2 types, for that of different causes arose. The first is called background extinctions, isolated extinctions of species due to a varie...If you want to get a full essay, order it on our website:
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