Question

Variation is useful for the survival of species over long time. But the variants have unequal chances of survival. Explain this statement.

Answer 1

Explanation:

Because the variants which have the ability to develop their selves according to the changing environment are only who can survive in the environment but those who don't have this ability they can't survive that's why there is unequal chances of survival in the variants...

I hope it must help you...

Answer 2

Answer:

Variation is useful for the survival of species overtime but the variants have unequal chances of survival. ... This ensures the survival of the species. But some other organisms (variants) without this variation of heat resistance may not survive due to sudden rise in temperature.