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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.
Â· Predator is the dominant organism, while prey is the submissive organism of prey-predator interaction. Â· Prey has always a larger population compared to predator. Â· Prey species are more often herbivorous, while predators are always carnivores, but can be omnivorous sometimes. Predator completely depends on the prey for food. However, prey would not die in the absence of predators. Â· Predators control the population of prey, otherwise the prey species will get overpopulated, and the balance of the ecosystem will lose.