Matching Pairs Organism RelationshipsOnline version Match the nouns to the definitions. by Laura Perez Valiente 1 FAMILY GROUPS 2 PREDATOR 3 PREY 4 HOST 5 OFFSPRING 6 PARASITE 7 COMPETITION 8 COMMENSALISM An organism that benefits from other organisms and it harms them. Babies and descendants. The organism in which a parasite feeds. An animal that is hunted by predators. An animal that captures, kills and eats an animal of a different species. Animals that move, migrate or live in groups to protect themselves against predators. Two males of the same species compete for territory or for a female. A species that benefits from another species without harming them.