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.

Question : The scientists believe that evolution is gradual. But extin

1.	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.
Answer» SOLUTION :Natural disasters that occur on earth from time to time are cause for mass extinction of species in ADDITION to other FACTORS. Extinction of dinosaurs is an example of mass extinction. Sudden and abrupt extinctions have occurred SEVERAL times during EVOLUTION.