92.6k views
22 votes
Which of the following best describes mutualism?

a. Intestinal bacteria obtain nutrients from the gut and produce vitamin K used by humans.

b. Bacteria in improperly prepared food is consumed by humans, causing food poisoning.

c. Invasive bacteria at an area of injury produce toxins that damage healthy tissues of the human body.

d. Bacteria become resistant to antibacterial medication that humans use for treatment.

User Giuppox
by
3.7k points

1 Answer

8 votes

Answer:

b or c

Step-by-step explanation:

User AfshinZavvar
by
3.9k points