[poll id=”15″]
ANSWER – E: Sucker fish and Sharks
The sucker fish (also known as Remora) attaches to the shark and eats what the shark discards and gets protection at the same time, all while the shark doesn’t get any benefit (nor harm) from this attachment.
The virus and host cell is a form of parasitism, and the other examples are all mutualism, where both organisms involved in the relationship benefit.