Symbiosis is the term that includes Commensalism , mutualism and parasitism.
Explanation;
Parasitism is a symbiotic relationship does one organism benefit while the other organism is harmed.
Commensalism is a symbiotic relationship between two species in which one benefits, and other is neither harmed nor helped.
Mutualism on the other hand is where both organisms involved from each other. Example is the relationship between an Oxpecker and the rhinoceros or Zebra.
I think the correct answer from the choices listed above is option C. It is t he term symbiosis that includes the other three. Symbiosis is all of those terms (Mutualism, Commensalism, and Parasitism) combined. Hope this answers the question. Have a nice day.
