Have you ever imagined what led to the extinction of Dinosaurs? Well, the scientists say it was just a bad luck.
According to a new study on extinction of dinosaurs, these animals were wiped out of the Earth following an asteroid event.
It was a vulnerable impact of an asteroid event which led to the extinction of the dinosaurs, the study said.
Dr Steve Brusatte, of Edinburgh University, carried the study.
According to Brusatte, due to the occurrence of the asteroid event the level of sea rose and initiate the volcanic activity, which in turn put many species more susceptible to extinction.
“It was a perfect storm of events that occurred when dinosaurs were at their most vulnerable,” Dr Brusatte said.
The scientists call it bad luck of the dinosaurs because they feel these animals might have survived if the asteroid event had hit the Earth’s surface a few million years later or earlier.
“Five million years earlier dinosaur ecosystems were much stronger, they were more diverse, the base of the food chain was more robust and it was harder to knock out a lot of species,” Dr Brusatte said.
As many as 11 leading dinosaur experts from the US, UK and Canada clubbed hands for studying the latest research on the dinosaurs, the asteroid impact and their extinction 66 million years ago.
Scientists say few evidences also suggested that some dinosaur species began dying off shortly before the asteroid hit the Earth.
What was baffling the scientists was a key question that whether this gradual declining numbers led to the extinction of dinosaurs even if the asteroid had not hit the Earth.
Following study, the researchers concluded that even if there was evidence of death of some species of plant eaters in North America in the said period, there was no proof of a long-term decline.
Most importantly, they believe that the soaring sea level and volatile volcanic activity claimed lives of many species leading to their extinction.
The study was published in the journal Biological Reviews.
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