A Biologist Who Says That the Human Body Might Be

Multiple Choice

A biologist who says that the human body might be getting its power from "bacteria," is referring to

A) some cells that utilize bacteria to produce energy.
B) bacteria in our intestinal tract that digest food to supply us with energy.
C) the mitochondria in our cells that may have originated as endosymbiotic bacteria.
D) the E.coli throughout the human body that produce ATP.
E) photoautotrophic bacteria that, like plants, can produce carbohydrates from sunlight and carbon dioxide.