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Question
The scientists believe that evolution is gradual. But extinction, part of evolutionary story, are 'sudden' and 'abrupt' and also group-specific. Comment whether a natural disaster can be the cause for extinction of species.
Solution
The theory about the extinction of dinosaurs suggests that a natural disaster can be the cause of the extinction of species. A majority of scientists agree that a meteor hit the earth which led to large-scale destruction and eventual extinction of dinosaurs.
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