Which one provides direct and solid evidence in favour of organic evolution through ages?
Atavism
Palaeontology
Vestigeal organs
Galapagos island fauna
Natural Selection Theory of Darwin is objected to, because it
$A$ : Similarities in proteins and genes performing a given function among diverse organisms give clue to common ancestry.
$R$ : All the group of vertebrates arises from the common ancestor with great adaptation capability.
During evolution of man many changes have taken place in his ancestral characters. Which one of the following is an unsignificant change