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