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Certain bacteria live in the intestinal tract of other organisms. Which of the following statements describes how these microorganisms help maintain the health of other organisms?

A) They produce antibiotics which destroy other microorganisms.
B) They decrease the amount of vitamins in the large intestine.
C) They purify food as it travels through the digestive system and remove contaminants.
D) They metabolize substances and break down food during digestion

1 Answer

3 votes

Answer:

D

Step-by-step explanation:

Many bacteria are known for helping humans digest and metabolize foods that we wouldn't be able to do without them.

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