Hand of man, wing of bat and flipper of seal represents
Vestigial organs
Analogous organs
Evolutionary organs
Homologous organs
When the entire sole rests on the ground during walking as in case of a man, it is known as
Deviation of homologues are caused by
$A$ : 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.
Anthropometry is useful in the study of