CBSE Notes, Lectures

CBSE - Biology - Heredity and Evolution

Heredity and Evolution

NCERT In Text

How�does�the�creation�of�variations�in�a�species�promote�survival?

Variations take place in response to the changes in the environment. Such variations enable a species to cope with the new changes. Thus, variations help a species in survival.

Depending on the nature of variations different individuals would have difference kinds of advantage to adjust in particular habitat. Variation help the individual to have different traits that may develop the organisms more tolerable.

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