Campbell Biology in Focus, 4th edition

Published by Pearson (January 11, 2024) © 2025

  • Lisa A. Urry Mills College, Oakland, California
  • Michael L. Cain New Mexico State University, Las Cruces, New Mexico
  • Peter V. Minorsky Mercy College, Dobbs Ferry, New York
  • Rebecca B. Orr Collin College, McKinney, Texas
  • Kerry L Hull Bishop's University, Quebec, Canada

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For introductory biology courses for science majors. 

Focus. Practice. Engage.

Built unit-by-unit, Campbell Biology in Focus achieves a balance between breadth and depth of concepts to move students away from memorization. Streamlined content prioritizes essential biology concepts and scientific skills that students need to build a solid foundation for future courses.

The 4th Edition presents relevant, current content updates and engaging resources. New Visual Overviews present fundamental biological questions, and Study Tips share effective learning strategies. The new downloadable Active Reading Guide further supports students with self-assessment activities to complete as they read.

Hallmark features of this title

  • Make Connections Figures & Questions connect content from different chapters, providing a visual representation of big picture relationships, and show how the different areas of biology are connected.
  • Scientific Skills Exercises use real data to help build data analysis, graphing, experimental design and math skills.
  • Visualizing Figures teach students how to interpret diagrams and models in biology.
  • Interpret the Data questions throughout the text ask students to analyze a graph, figure or table.
  • Visual Skills Questions give students practice interpreting illustrations and photos in the text.
  • Problem-Solving Exercises challenge students to apply scientific skills and interpret data in the context of engaging real-world problems.

New and updated features of this title

  • Chapter Openers have been re-envisioned and are now organized around new elements that provide students with the tools and approaches they can use in achieving the chapter’s learning objectives.
  • Visual Overviews introduce students to what they will learn and illustrate a core idea in the chapter with straightforward art and text centered around a basic biological question.
  • Study Tips offer guidance in how to carry out learning introduced in the Visual Overview and encourage students to learn actively through proven strategies such as making a flow chart, labeling a drawing, devising an analogy or generating a table.
  • Active Reading Guides are worksheets that provide students with self-assessment activities to complete as they read each chapter. Students can download guides from the Mastering Biology Study Area.
  • UPDATED: Topical content covers SARS-CoV-2, the COVID-19 pandemic, microplastics pollution and climate modeling, global atmospheric and oceanic changes, stem cell research, genomics, cancer genetics, hominin fossil discoveries, genomic findings and more.
  • UPDATED: Reflecting greater diversity, equity, and inclusion, visuals, language, and terminology have been meaningfully revised throughout.

Features of Mastering Biology for the 4th Edition

  • NEW: Interactive Reading Assignments let students read, watch and practice in one seamless experience. Instructors can now assign the eTextbook along with curated content including multimedia and practice questions for auto-grading.
  • NEW: Active Reading Guides are worksheets that provide students with self-assessment activities to complete as they read a chapter and can be downloaded from the Study Area.
  • NEW: Data Modeling Activities feature 10 activities that give students practice with quantitative reasoning skills and include simulations that allow students to manipulate variables, examine data, and draw conclusions. The autogradable simulations are embedded in Mastering tutorials.
  • NEW: CheckPoint Interactive Questions are embedded at point-of-use in the Pearson+ eTextbook and can be assigned in the Mastering Item Library. Questions challenge student misconceptions with an integrated series of questions and answer-specific feedback.
  • Pearson® Interactive Labs are structured around the process of science and feature real-world scenarios and guided feedback so students can make and learn from their mistakes.
  • Study Skills Dynamic Study Modules are student-centered and address test taking, studying vs. learning, time management, resources, accountability, reading and taking notes.

Features of Pearson+ eTextbook for the 4th Edition

  • NEW: CheckPoint Interactive Questions are embedded at point-of-use in the P+ eTextbook and can be assigned in the Mastering Item Library. Questions challenge student misconceptions with an integrated series of questions and answer-specific feedback.
  • NEW: Topical content covers SARS-CoV-2, the COVID-19 pandemic, microplastics pollution and climate modeling, global atmospheric and oceanic changes, stem cell research, genomics, cancer genetics, hominin fossil discoveries and genomic findings. 
  • Interactive Visual Activities guide students in navigating complex figures as they interact with the textbooks’s powerful art program, view embedded video clips, and gauge understanding with self-check questions.
  • Figure Walkthrough Videos guide students through key figures, narrated explanations, figure markups, and questions to reinforce important points and encourage active participation.
  • Videos and animations that have been carefully chosen and edited bring biology to life.
  1. Introduction: Evolution and the Foundations of Biology

UNIT 1: CHEMISTRY AND CELLS

  1. The Chemical Context of Life
  2. Carbon and the Molecular Diversity of Life
  3. A Tour of the Cell
  4. Membrane Transport and Cell Signaling
  5. An Introduction to Metabolism
  6. Cellular Respiration and Fermentation
  7. Photosynthesis
  8. The Cell Cycle

UNIT 2: GENETICS

  1. Meiosis and Sexual Life Cycles
  2. Mendel and the Gene Idea
  3. The Chromosomal Basis of Inheritance
  4. The Molecular Basis of Inheritance
  5. Gene Expression: From Gene to Protein
  6. Regulation of Gene Expression
  7. Development, Stem Cells, and Cancer
  8. Viruses
  9. Genomes and Their Evolution

UNIT 3: EVOLUTION

  1. Descent with Modification
  2. Phylogeny
  3. The Evolution of Populations
  4. The Origin of Species
  5. Broad Patterns of Evolution

UNIT 4: THE EVOLUTIONARY HISTORY OF LIFE

  1. Early Life and the Diversification of Prokaryotes
  2. The Origin and Diversification of Eukaryotes
  3. The Colonization of Land
  4. The Rise of Animal Diversity

UNIT 5: PLANT FORM AND FUNCTION

  1. Vascular Plant Structure and Growth
  2. Resource Acquisition, Nutrition, and Transport in Vascular Plants
  3. Reproduction and Domestication of Flowering Plants
  4. Plant Responses to Internal and External Signals

UNIT 6: ANIMAL FORM AND FUNCTION

  1. The Internal Environment of Animals: Organization and Regulation
  2. Animal Nutrition
  3. Circulation and Gas Exchange
  4. The Immune System
  5. Reproduction and Development
  6. Neurons, Synapses, and Signaling
  7. Nervous and Sensory Systems
  8. Motor Mechanisms and Behavior

UNIT 7: ECOLOGY

  1. Population Ecology and the Distribution of Organisms
  2. Ecological Communities
  3. Ecosystems and Energy
  4. Conservation Biology and Global Change

APPENDICES

  • A. Answers
  • B. Periodic Table of the Elements
  • C. The Metric System
  • D. A Comparison of the Light Microscope and the Electron Microscope
  • E. Classification of Life
  • F. Scientific Skills Review
  • G. Word Roots, Prefixes, and Suffixes for Learning Vocabulary

About our authors

Lisa A. Urry (Units 1 and 2) is Professor of Biology and Co-Chair of the Biology Department at Mills College at Northeastern University in Oakland, California. After earning a B.A. at Tufts University, she completed her Ph.D. at the Massachusetts Institute of Technology (MIT). Lisa has conducted research on gene expression during embryonic and larval development in sea urchins. Deeply committed to promoting opportunities in science for women and underrepresented groups, she has taught courses ranging from introductory and developmental biology to an immersive course on the U.S./Mexico border.

Michael L. Cain (Units 3, 4, and 7) is an ecologist and evolutionary biologist who is now writing full- time. Michael earned an A.B. from Bowdoin College, an M.Sc. from Brown University, and a Ph.D. from Cornell University. As a faculty member at New Mexico State University, he taught introductory biology, ecology, evolution, botany, and conservation biology. Michael is the author of dozens of scientific papers on topics that include foraging behavior in insects and plants, long-distance seed dispersal, and speciation in crickets. He is also a coauthor of an ecology textbook.

Peter V. Minorsky (Chapter 1 and Unit 5) is Professor of Biology at Mercy University in New York, where he teaches introductory biology, ecology, and botany. He received his A.B. from Vassar College and his Ph.D. from Cornell University. Peter taught at Kenyon College, Union College, Western Connecticut State University, and Vassar College. His research interests concern how plants sense environmental change. Peter received the 2008 Award for Teaching Excellence at Mercy College.   

Kerry L. Hull (Unit 6) is the Dean of Science, a Professor in the Department of Biology and Biochemistry, and the Associate Vice-Principal for Research at Bishop’s University in Quebec, Canada. She holds a B.Sc. in Biology and a Ph.D. in Physiology (Endocrinology), both from the University of Alberta (Canada). She teaches physiology and anatomy courses to undergraduates, using guided inquiry and case studies as her primary teaching approaches. A comparative endocrinologist by training, her current research focuses on the development and implementation of active learning strategies in anatomy and physiology courses.

Rebecca B. Orr (Active Learning Modules, eText Media Integration) is Professor of Biology at Collin College in Plano, Texas, where she teaches introductory biology. She earned her B.S. from Texas A&M University and her Ph.D. from University of Texas Southwestern Medical Center at Dallas. Rebecca has a passion for investigating strategies that result in more effective learning and retention, and she is a certified Team-Based Learning Collaborative Trainer Consultant. She enjoys focusing on the creation of learning opportunities that both engage and challenge students.

Josh R. Auld (Unit 3) is a Professor of Biology at West Chester University in West Chester, Pennsylvania. He received his B.S. in biology from Duquesne University and his Ph.D. in Ecology and Evolutionary Biology from the University of Pittsburgh. Josh’s research focuses on the evolution of life-history traits and mating systems, using freshwater snails as a model system. He has taught courses in introductory biology, zoology, botany, and evolution. 

Chantale Bégin (Unit 7) is an ecologist with a strong interest in benthic ecology and marine conservation. Chantale earned a B.Sc. from Dalhousie University, an M.Sc. from Université Laval, and a Ph.D. from Simon Fraser University. As a Professor of Instruction at the University of South Florida (USF), she teaches many courses, including Biological Diversity, Marine Biology, Coral Reef Ecology, Conservation Biology, and Scientific Diving. She has received several teaching awards at USF for her work integrating active-learning into large-enrollment courses and her field courses in the Caribbean.

Neil A. Campbell (1946–2004) earned his M.A. from the University of California, Los Angeles, and his Ph.D. from the University of California, Riverside. His research focused on desert and coastal plants. Neil’s 30 years of teaching included introductory biology courses at Cornell University, Pomona College, and San Bernardino Valley College, where he received the college’s first Outstanding Professor Award. He was also a visiting scholar at the University of California, Riverside. Neil was the founding author of Campbell Biology, upon which this book is based.

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