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Q: In biological terms, ––––– is a relationship between two organisms in which one organism benefits and the other is unaffected.
  • A. Amensalism
  • B. Parasitism
  • C. Commensalism
  • D. Mutualism
Correct Answer: Option C - Commensalism is a type of relationship between two living organism in which one organism benefits from other without harming it. A commensal species benefits from another species by obtaining locomotion, shelter, food or support from the hot species which neither benefit nor are harmed. Commensalism is often confused with parasitism, it is a relationship in which one organism benefits and other is harmed.
C. Commensalism is a type of relationship between two living organism in which one organism benefits from other without harming it. A commensal species benefits from another species by obtaining locomotion, shelter, food or support from the hot species which neither benefit nor are harmed. Commensalism is often confused with parasitism, it is a relationship in which one organism benefits and other is harmed.

Explanations:

Commensalism is a type of relationship between two living organism in which one organism benefits from other without harming it. A commensal species benefits from another species by obtaining locomotion, shelter, food or support from the hot species which neither benefit nor are harmed. Commensalism is often confused with parasitism, it is a relationship in which one organism benefits and other is harmed.