Some dinosaurs doomed before extinction, study says

Dinosaurs are creatures that dominated the world for a very long period of time. They survived over three time periods from the time of the Triassic period passing through the Jurassic period and then terminating in the cretaceous period approximately 65 million years ago. Their species were at the peak of evolution in the cretaceous period (145 million-65million years) and they were evolving even more just before their extinction. But the first doubt or question that arises from these facts is that how can a species which survived through all odds for about 150 million years could end in such a short span of time. Many scientists have propounded several theories about the sudden extinction of dinosaurs but no one has been able to be accurate enough to point out one of them as authentic or reliable and there is still a hint of doubt and confusion in their minds.


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