Concept:A community is the set of all populations of different species living together in one habitat.Explanation:The term for a group of different organisms in the same habitat is "community".A biome refers to a large regional area defined by its climate and typical organisms.The biosphere is the global zone of the Earth where life exists.Ecology is the scientific study of the interactions between organisms and their environment.Thus, the definition given in the question matches only a community.Answer:C. community