Humans have a reduced tailbone and the muscles to move a tail.This evidence indicates that we descended from an ancestor that had a tail.

Question

Quizplus · Accepted Answer

The presence of a reduced tailbone and muscles to move a tail are traits that strongly suggest that our ancestors were once equipped with a tail. These vestigial structures are a remnant of our evolutionary past and provide evidence of our ancestral lineage.

Humans Have a Reduced Tailbone and the Muscles to Move