Question

killer whales live and swim in a pack called a pod. when they hunt they swim circles around a school of fish. this forces the fish close together so they are easier to catch. (check all that apply)
predation
mutualism
cooperation
parasitism

Explanation:

Predation occurs as killer whales hunt fish. Cooperation is seen as killer whales work together in a pod to surround the fish. Mutualism is a symbiotic relationship where both species benefit, which is not the case here. Parasitism involves one organism living off another, which also does not apply.

Answer:

Predation, Cooperation