Answer:
The correct answer is that X is herding and Y is cooperative hunting.
Step-by-step explanation:
Herding refers to the act of animals that form groups at the time of grazing in the field. It enhances the protection of the individual member of the group by developing confusion in the mind of the predator. Herding can also enhance the occurrences of finding a mate as the animals stick close to each other, thus, there are exhibits a greater chance of reproductive success.
On the other hand, cooperative hunting refers to the act of hunting animals in packs. It is generally followed by animals like wolves and lions. These carnivores corner the prey to separate them from their herds and hunt them. This enhances the chances of effectively catching the prey.