'Essay on the Principle of Population' was published by

Genetic drift occurs in which of the following?

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

Due to specific mating behaviour,the members of a population do not mate in . . . . . . type of isolation.

The evolution of species is based upon the sum total of the species' adaptive changes preserved by:

Genetic variation in a population arises due to