Evolutionary classification is called

Which reptile went back into the water to evolve into fish-like reptiles?

According to the theory of pangenesis proposed by Charles Darwin,the pangenes of an animal are accumulated in:

$A$ scientist kept $72$ generations of $Drosophila$ in darkness. Even after that,the first flies had normal eyes. This disapproves the theory of

Phylogeny refers to ..........

$A$ scientist who gave a theory very similar to that given by Darwin was