Question

ants protect soft bodied aphids and in return the aphids feed the ants a sugary drink. what is the ecological relationship?
cooperation
competition
mutualism
commensalism

Explanation:

Mutualism is a symbiotic relationship where both species benefit. Here, ants get food (sugary drink) and aphids get protection. Cooperation is a general term not specific to symbiosis. Competition is when species vie for resources. Commensalism is when one benefits and the other is unaffected.

Answer:

Mutualism