During evolution, . . . . . . evolved into the first amphibians.

The theory proposed by Darwin was based on .......

Which of the following evolved into the first amphibians?

Branching descent and natural selection are the two key concepts of ........... theory of evolution.

The ideas of special creation were strongly challenged during the:

Darwin's theory of pangenesis states that the passage of factors through generations occurs by the production of which of the following in each cell of the body?