Microorganism living in our intestine and feeding on excreta is:
Correct answer: B. Commensalism
- A. Mutualism
- B. Commensalism
- C. Co-operation
- D. Symbiosis
Explanation
If an intestinal microorganism benefits by feeding on host waste while the host is described as unaffected, the association is commensalism. Mutualism would require a clear benefit to both organisms.
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