Aids to the Reader Concepts in Biology, ninth edition, contains a number of features intended to actively involve students in the learning process. The outline was expanded to include the new boxed readings introduced in the chapter. At the beginning of each chapter, a list of questions focuses students' attention on the nature of the material and engages their interest. Topical Headings Throughout the chapter, headings emphasize the essential concepts for understanding biology as a science. Full-Color Graphics Numerous line drawings and photographs illustrate concepts or associate new concepts with previously mastered information.
Every illustration emphasizes a point or helps teach a concept.
These boxed readings provide variety and interest to the material in the chapter. Each of these items was designed to catch the interest of the reader by providing alternative views, historical perspectives, or interesting snippets of information related to the content of the chapter. At the end of each chapter, the summary clearly reviews the concepts presented. This feature focuses on issues that challenge the student to think logically through problems and arrive at conclusions based on the concepts of the chapter. Using this feature, students can apply knowledge gained from the chapter.