One relationship between organisms is that of predator-prey. The best description of a predator is an organism that benefits at the expense of another organism.
A predator is an animal that hunts, kills and eats other animals to feed for self.
Prey are the organisms which predators eat. Predator- Prey is the relationship called as food chain. The predators are benefitted from prey.
Hence, the best description of a predator is an organism that benefits at the expense of another organism.
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