Respuesta :
Barnacles on whales, the barnacles are there but no one really benefits
Answer;
Barnacles benefit from living on whales, and they do not hurt the whales
Explanation;
Relationship of two organisms from different species where one benefits whereas the other is unaffected.
A good example is Barnacles and whale;
Barnacles attach to the whale and grow in place. The barnacles uses the whale as a place to live and a place to eat. The whale will bring the barnacles to protozoa, which both organisms eat. The barnacles benefit immensely, but the whale does not. However, even though the whale doesn't benefit, it isn't harmed by the barnacles either.