Book Preface Inspired by the thousands of students in our own classes over the years and enthusiastic feedback from the many instructors who have used our book, we are delighted to present this new, Seventh Edition. We authors have worked together closely to ensure that both the book and the supplementary material online reflect the evolving needs of today’s courses and students, as well as current progress in biology. Now titled Campbell Biology: Concepts & Connections to honor Neil Campbell’s founding role and his many contributions to biology education, this book has always had a dual purpose: to engage students from a wide variety of majors in the wonders of the living world and to show them how biology relates to their own existence and the world they inhabit. Most of these students will not become biologists themselves, but their lives will be touched by biology every day. Today, understanding the concepts of biology and their connections to our lives is more important than ever. Whether we’re concerned with our own health or the health of our planet, a familiarity with biology is essential.

This basic knowledge and an appreciation for how science works have become elements of good citizenship in an era when informed evaluations of health issues, environmental problems, and applications of new technology are critical. Concepts and Connections Concepts Biology is a vast subject that gets bigger every year, but an introductory biology course is still only one or two terms long. This book was the first introductory biology textbook to use concept modules to help students recognize and focus on the main ideas of each chapter. The heading of each module is a carefully crafted statement of a key concept.

For example, “Two photosystems connected by an electron transport chain generate ATP and NADPH” announces a key concept about the light reactions of photosynthesis (Module 7.8). Such a concept heading serves as a focal point, and the module’s text and illustrations converge on that concept with explanation and, often, analogies. The module text walks the student through the illustrations, just as an instructor might do in class. And in teaching a sequential process, such as the one diagrammed in Figure 7.8A, we number the steps in the text to correspond to numbered steps in the figure. Ocr Software Reviews. The synergy between a module’s verbal and graphic components transforms the concept heading into an idea with meaning to the student. The checkpoint question at the end of each module encourages students to test themselves as they proceed through a chapter. Finally, in the Chapter Review, all the concept statements are listed under the overarching section titles, explicitly reminding students of what they’ve just studied.

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Connections Students are more motivated to study biology when they can connect it to their own lives and interests—for example, to health issues, economic problems, environmental quality, ethical controversies, and social responsibility. In this edition, blue Connection tabs mark the numerous application modules that go beyond the core biological concepts. Other connections are made in the chapter-opening essays and throughout the text. Moreover, we connect the content of each chapter to the grand unifying theme of evolution, without which the study of life has no coherence. This book remains the only non-majors biology text to connect every single chapter to evolution, with highlights featured in greentabbed Evolution Connection modules.