Which one provides direct and solid evidence in favour of organic evolution through ages?
In nature, the occurrence of mutations are
Match List $I$ with List $II$:
List $I$ | List $II$ |
$A$ Mesozoic Era | $I$ Lower invertebrates |
$B$ Proterozoic Era | $II$ Fish and Amphibia |
$C$ Cenozoic Era | $III$ Birds and Reptiles |
$D$ Paleozoic Era | $IV$ Mammals |
Choose the correct answer from the options given below :