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Tweet. Key difference: Predator hunts Prey. A predator is an animal who hunts other animals; while, a prey is that animal that is hunted by other animal. Both, of these animals are necessary for maintaining the ecological balance of the Earth.redator. Prey. These are. Animals that hunt or attack other animals. Animals that are being hunted or attacked by other animals. In the prey-predator relationship, they are. These are dominant organism. These are submissive organism.
Predation - By function. 1  Predators can be classified by their consumer-resource interactions [2] with their prey. 2  A true predator is one that kills and eats another living thing. 3  Grazing organisms generally do not kill their prey. 4  Parasites can at times be difficult to distinguish from grazers.