Which of the following are homologous organs?

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Question

(C) Homologous organs are those that have a similar fundamental anatomical structure and developmental origin,even if they perform different functions

Vedclass · Accepted Answer

Wings of bird and hands of human

Vedclass · Answer

(C) Homologous organs are those that have a similar fundamental anatomical structure and developmental origin,even if they perform different functions. $1$. The forelimbs of humans and the wings of birds share a common ancestral skeletal structure (humerus,radius,ulna,carpals,metacarpals,and phalanges). $2$. Although they are adapted for different functions (grasping in humans vs. flight in birds),their underlying bone architecture is homologous. $3$. In contrast,wings of birds and insects are analogous organs because they serve the same function (flight) but have different evolutionary origins.

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Which vestigial structure develops in the embryos of all vertebrates,including humans?

$A$: Muscles of external ears are fully developed in humans.
$R$: These muscles help in moving the ear pinna in humans.

Homologous organs are those that have:

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