The concept that "Population tends to increase geometrically while food supply increases arithmetically" was put forward by:

The peppered moth $(Biston \text{ } betularia)$, the black-coloured form became dominant over the light-coloured form of moth in England during the industrial revolution. This is an example of

Assertion : Natural selection is the outcome of difference in survival and reproduction among individuals that show variation in one or more traits.
Reason : Adaptive forms of a given trait tend to become more common; less adaptive ones become less common or disappear.

Which characteristic is responsible for an organism to survive in the environment,enable reproduction,and maintain genetic stability?

In a Mendelian population,genetic drift occurs in which of the following?

When members of a population attain sexual maturity at different times preventing inter-breeding,it is termed as . . . . . . isolation.