Ants live in the hollow thorns of an acacia tree. The tree provides food and shelter for the ants. The ants protect the tree from herbivores that might otherwise eat the tree. Which type of relationship does this represent?
A. mutualism
B. parasitism
C. commensalism
D. predator/prey

A. Mutualism

Mutualism: Both organism benefit

Commensalism: One organism benefits. One organism is unaffected

Parasitism: One organism benefits. One organism is harmed

A. mutualism

explanation:
mutualism is the mutual dependence that is necessary for well being. the runner up answer would be commensalism. commensalism is the association between two organisms in which one benefits and the other derives neither benefit nor harm. which is not true because both benefit.

The answer is links. Since you said links 2 times it is links