Most popular example of Lamarck is
African Giraffe
Snakes
Both $ (a)$ and $(b)$
Primose
It's Obvious
$A$ : 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.
Correct order is.
The virus of deoxyvira $ (sub-phylum)$ contains
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