On also its food requirements behavior and predators what might be called species role or occupation whit in its ecosystem in addition the species niche in clouds all the physical environmental factors necessary for its survival such as the renge of temperatures under which members of the species can survive they want water they require and in the case a plant's the pH of the soil they can inhabit the typ of soil nutrients required and the degree of shade that can be tolerated although no two species can ever occupy exactly the same ecological niche for a sustained period of time the net use a different species often overlap one another the results have overlapping issues its competition