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