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. a parasitic bacteria contaminated her food.
b. a mutualistic bacteria infected her digestive system.
c. a commensalistic organism is now living in her intestine.
d. a predatorial organism is consuming her natural bacteria.
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