Who proposed the theory of continuity of germplasm?

According to $Darwin$,fitness refers to .....

Had Darwin been aware of Mendel's work,would he have been able to explain the origin of variations? Discuss.

Which technique is used to prove that antibiotic-resistant bacterial mutants are pre-existing and not induced by the environment?

Which characteristic is responsible for the formation of a new species?

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?