I know that it has to do with breathing and your lungs
Answer:
No
Explanation:
because fermentation cannot occur without oxygen as a final electron acceptor.
It would be taking animals homes and if they don't have a home they could die. Also it could generally mess up their way of living and some would have to adjust to a new life style. I hope this helped <3
The definition of vestigial organs are rudimentary structures in humans
that correspond to a functional structure or organ in an ancestor.
Basically the answer is redundant organs present in an organism, which
have been functional in the organism's ancestors.