Answer:
vestigial structures are considered evidence because scientists believe they are structures that were once used by a species ancestors but are not longer needed. these structures do not impair the organism in any way, so there is no need for evolution to get rid of them. for example, the human appendix is considered a vestigial structure.
Explanation:
:D
I believe it’s A……………………..
Chemical. Needs to break down the starch and glucoses into sugars.
D because I done that lol