Which is the basis of evolution?

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

Which of the following was $NOT$ considered a part of Darwin's theory of natural selection in organic evolution?

Which one of the following was the contribution of Hugo de Vries?

The sum total of genes in a population is called:

In the peppered moth $(Biston \text{ } betularia)$ in England, the dark-colored form became more prevalent than the light-colored form during the Industrial Revolution. This is an example of which of the following?