Help plz Vestigial structures, such as the appendix, are body parts that don't seem to serve a
purpose in humans. How are vestigial structures important evidence for evolution?

A. They provide clues about structures that were important to our ancestors.
B. They provide clues about what future generations of humans will look like.
C. They help identify body parts in fossils.
D. They are evidence that humans used to eat different foods.