The material for organic evolution is

The idea of natural selection as the fundamental process of evolutionary change was reached by whom and when?

Analogous structures are a result of

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

What does artificial selection in high-milk-yielding cows indicate?

When is genetic drift operative?