The leaves of moss and ferns are ...... .

Some of the important evidences of organic evolution are:

Given below are two statements: one is labelled as Assertion $A$ and the other is labelled as Reason $R$.
Assertion $A$: Forelimbs of humans and bats are homologous.
Reason $R$: Forelimbs of humans and bats have similar anatomical structure.
In the light of the above statements, choose the most appropriate answer from the options given below:

The wings of an insect and a bat exhibit:

Which of the following are homologous organs?

Fossils of $Archaeopteryx$ were found from: