Question

4. People usually group bacteria and viruses together as "bad" organisms. While it is true that bacteria usually

get only negative publicity, they actually do more good than bad. List four services that are provided by bacteria
that are beneficial to humans.

Answer 1

the saliva in our mouth contains bacteria

the soap we use to bath contains bacteria

bacteria protects us from infections in o genitals especially in women

there is bacteria in our stomach that aids digestion