Which one of the following is not a vestigial | vedclass

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(D) vestigial organ is an anatomical structure that has lost most or all of its original function through evolution. $1$. The vermiform appendix,plica

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Malleus

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(D) vestigial organ is an anatomical structure that has lost most or all of its original function through evolution. $1$. The vermiform appendix,plica semilunaris (nictitating membrane),and ear muscles (auricular muscles) are well-known examples of vestigial organs in humans. $2$. The malleus is one of the three ossicles (ear bones) located in the middle ear. It plays a crucial,functional role in the process of hearing by transmitting vibrations from the tympanic membrane to the incus. $3$. Therefore,the malleus is not a vestigial organ.

Which one of the following is not a vestigial organ in humans?

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