Question

arianne recently traveled abroad where she enjoyed eating food from different countries and learning about different cultures. a week after she returned home, she checked into the hospital with signs of nausea, fever, and diarrhea. what best explains what happened to arianne?
a parasitic bacteria contaminated her food.
a mutualistic bacteria infected her digestive system.
a commensalistic organism is now living in her intestine.
a predatorial organism is consuming her natural bacteria.

Explanation:

Parasitic bacteria in food can cause symptoms like nausea, fever, and diarrhea. Mutualistic bacteria are beneficial, commensalistic organisms usually don't cause such acute illness - related symptoms, and predatory organisms consuming natural bacteria are not the typical cause of these common food - borne illness symptoms.

Answer:

A. A parasitic bacteria contaminated her food.