a symbiotic relationship in which one species benefits and the other is harmed is known as\no mutualism.\no…

a symbiotic relationship in which one species benefits and the other is harmed is known as\no mutualism.\no predation.\no commensalism.\no parasitism.
Answer
Brief Explanations:
Mutualism is when both species benefit. Predation is one - organism killing another for food. Commensalism is when one species benefits and the other is neither helped nor harmed. Parasitism is a symbiotic relationship where one species benefits and the other is harmed.
Answer:
parasitism.