Some species of bacteria benefit humans.
What information in the text supports this statement?
A S. mutans is a bacterium that causes cavities, and S. pneumonia is a
bacterium that causes pneumonia.
B Fungi evolved the ability to produce anti-bacterial chemicals as they
competed with bacteria over millions of years.
The bacterium Streptococcus pyogenes causes strep throat and rheumatic
heart disease.
D Species of bacteria belonging to the genus Bacteroides help the human
body digest food.