All living things need food to survive. Some animals - we call them predators - feed on other animals. Naturally equipped for capturing and killing, predators use claws, teeth, tentacles or venom to catch and kill their prey. Predators help prevent a species from overpopulating an area by hunting for the sick, young or unattentive of a herd. Predation favors the survival of the fittest, whether prey or predator. This natural selection helps both prey and predator improve their methods of defense or attack. Suitable for middle-school and high-school science education.
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