Answer:
The correct answer will be-predator-prey relationship.
Step-by-step explanation:
The predator-prey relationship is the interaction between two species where one species is hunted by a hunter. The species which hunts is known as the predator while the species which gets hunted is known as the prey.
In the given question, since the number of rabbits increases which is the food of the fox in the food chain, therefore, the number of hunters in that area also increase.
Thus, this type of interaction is a predator-prey relationship.