Select homologous organs from the following.

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Question

(A) Homologous organs are those that have a similar anatomical structure and common evolutionary origin,even if they perform different functions.$A$.

Vedclass · Accepted Answer

Forelimbs of lizard and wings of birds

Vedclass · Answer

(A) Homologous organs are those that have a similar anatomical structure and common evolutionary origin,even if they perform different functions.$A$. Forelimbs of a lizard and wings of a bird share a similar skeletal structure (humerus,radius,ulna,carpals,metacarpals,and phalanges),indicating a common ancestry. Thus,they are homologous.$B$. Wings of birds and insects are analogous organs; they perform the same function (flight) but have different evolutionary origins and structures.$C$. Wings of pterodactyls and insects are also analogous organs.$D$. The vermiform appendix and sacrum are vestigial organs,not homologous organs.

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