\*NEW! Ecological Application essays appearing at the end of the texts six parts, show students the real-world relevance of the ecological concepts they have learned. For instance, " Part V: Ecosystems" discusses the ecological problems caused by the American obsession with green lawns. \*UPDATED! Chapter 26, Global Environmental Change, has been significantly revised to include research on current issues and includes new updated references. \*NEW! The Elements of Ecology Companion Website features art and photos from the text and student resources such as ecology Web links. Allows instructors to offer on-line quizzing, create individualized syllabi, conduct threaded discussion groups, and administer on-line content. \*Unique modular format. With complete concept statements at the beginning of each module, the text helps students focus on core concepts by dividing chapter material into manageable amounts of information. \*Dynamic four-color art engages and maintains students interest. \*The texts clear descriptive approach helps students to understand and appreciate ecology without overwhelming them with excessive amounts of quantitative information. \*Pedagogy increases student retention