Which perspective is used to represent the changes in the various structures of plants?

Which of the following evolved into the first amphibians?

What was the main principle of Lamarckism?

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

The origin of endemic species in South America and Australia is due to:

The ideas of special creation were strongly challenged during the: