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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.
A change in the size of one population affects all other organisms within the ecosystem. This is shown particularly clearly by the relationship between predator predator: An animal that hunts, kills and eats other animals for food. and prey prey: organisms that predators kill for food populations.