Which of the following is the reason for existence of vestigial structures (useless parts of the body)?

Question

Quizplus · Accepted Answer

Vestigial structures are remnants of organs or structures that had a function in an early ancestor but are now reduced or useless in the current organism. This indicates that these structures must have functioned in ancestral organisms, not necessarily in the near past, other organisms, or similar organisms.

Which of the Following Is the Reason for Existence of Vestigial