The Nature of Ecology Biosphere >Ecosystem organization Ecosystems >Organisms >Populations >Communities Populations >Ecosystems Organisms >Biosphere Fig.4.2,p.72 The Nature of Ecology The Nature of Ecology ¾Ecosystem organization Ecosystem organization ¾Organisms Organisms ¾Populations Populations ¾Communities Communities ¾Ecosystems Ecosystems ¾Biosphere Biosphere Biosphere Ecosystems Communities Populations Organisms Fig. 4.2, p. 72