Can lactase enzymes digest both lactose and starch

Which of the following is not a characteristic of natural selection? 100 points pls more offspring are born than will survive to reproduce. mutations appear randomly breeding pairs are chosen by humans organisms that are better adapted are more likely to survive

9. wind power creates pollution. water air soil noise

Adigestive system that is a series of tubes beginning at the mouth and ending at the anus is a digestive system.