Which of the following is NOT a vestigial org | vedclass

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(B) Vestigial organs are anatomical structures that have lost their original ancestral function through evolution. $1$. Third molars (wisdom teeth) ar

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Epiglottis

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(B) Vestigial organs are anatomical structures that have lost their original ancestral function through evolution. $1$. Third molars (wisdom teeth) are considered vestigial as they are often impacted or unnecessary in modern human diets. $2$. Plica semilunaris is a vestigial remnant of the nictitating membrane (third eyelid) found in other vertebrates. $3$. Auricular muscles (muscles around the ear) are vestigial in humans as most cannot move their ears voluntarily. $4$. The epiglottis is a functional,non-vestigial structure that prevents food from entering the trachea during swallowing. Therefore,it is not a vestigial organ.

Which of the following is $NOT$ a vestigial organ in $Homo$ $sapiens$?

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