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