Who proposed the theory of use and disuse of organs?

The evolutionary history of an organism is known as .........

Write a short note on Darwinism.

Which animal did Lamarck use as an example to explain his theory of evolution?

Evolutionary convergence is the development of $......$.

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