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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.
The dotted line shows what the relationship would look like if predator and prey increased proportionately. The size differential between predator and prey was often less than 20 mm. The effects of predation on both predator and prey populations change as prey densities vary. Prey preference of lingcod (Ophiodon elongatus), a top marine predator: implications for ecosystem-based fisheries management. Average speeds of predator and prey populations before and after a one-round simulation.