How is parasitism different from commensalism?
a) one organism is harmed in parasitism, and both organisms are harmed in commensalism
b) both organisms benefit in parasitism, and only one organism benefits in commensalism
c) one organism is harmed in parasitism, and no organisms are harmed in commensalism
d) one organism benefits in parasitism, and no organisms benefit in commensalism
Ans: c) one organism is harmed in parasitism, and no organisms are harmed in commensalism
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