H Pylori Is a Bacterium That Causes Stomach Ulcers

Multiple Choice

H. pylori is a bacterium that causes stomach ulcers. What can you conclude from the data shown below which indicates bacteria found in the stomach of people with and without an H. pylori infection?

A) People infected with H. pylori have more bacteria in their stomachs than uninfected people.
B) Uninfected people have less proteobacteria in their stomach than infected people.
C) People that are uninfected eat healthier diets than infected people.
D) The microbiomes between infected and uninfected people are identical.