Fossils are useful in
Studying extinct organisms
Studying history of organism
Both $(a)$ and $(b)$
None of the above
The evolutionary story of moths in England during industrialisation reveals, that 'evolution is apparently reversible'. Clarify this statement.
Fossils are studied for
Which one of the following phenomena supports Darwin’s concept of natural selection in organic evolution
Fossils are .........
Homologous organs explain