Species that are separated by geographical barriers are called ........

Describe the theory of natural selection. Who proposed this theory?

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

The theory proposed by Hugo de Vries is called .......

What is the process called in which organisms with different evolutionary histories evolve similar phenotypic adaptations in response to a common environment?

Hugo de Vries discarded the principle of which of the following scientists while proposing his mutation theory?