Question

three lampreys attached to a fish and sucking its body fluids for food is an example of -

Explanation:

Parasitism is a symbiotic relationship where one organism (the parasite) benefits at the expense of another (the host). In this case, lampreys (parasites) benefit by getting food (body fluids) from the fish (host), which is harmed. Predation involves one organism killing and eating another. Competition is between organisms for resources. Mutualism is when both benefit. Commensalism is when one benefits and the other is neither helped nor harmed.

Answer:

1. parasitism