Biology Now, 2e

xx fiffPreface What’s New in the Second Edition? New chapter stories on current, fun, and unexpected topics like the Zika viru ...

Preface ■ xxi A new unit on biodiversity, which significantly expands coverage of the vast diversity of life on Earth, with tw ...

xxii fiffPreface Pigs to the Rescue Using CRISPR, a hot new genome-editing tool, scientists hope to create a steady stream of tr ...

Preface ■ xxiii Cast-of-character bios highlight the scientists, researchers, and professors at the center of each story. 192 ■ ...

xxivfiffPreface An inquiry-based approach that builds science skills—asking questions, thinking visually, and interpreting data. ...

Preface ■ xxv Engaging, data-driven infographics appear in every chapter. Topics range from global renewable energy consumption ...

xxvififfPreface Leveling Up questions, based on questions the authors use in their classrooms, prompt students to relate biology ...

Preface ■ xxvii Laura Zapanta, University of Pittsburgh Tiffany Randall, John Tyler Community College The Ultimate Guide helps i ...

xxviiififfPreface Other presentation tools for instructors InQuizitive InQuizitive is Norton’s easy-to-use adaptive-learning and ...

xxix We could not have created this textbook without the enthusiasm and hard work of many people. First and foremost, we’d like ...

xxx fiffAcknowledgments Beth Collins, Iowa Central Community College Julie Constable, California State University, Fresno Gregor ...

Acknowledgments ■ xxxi Kelly Cartwright, College of Lake County Emma Castro, Victor Valley College Michelle Cawthorn, Georgia So ...

xxxiififfAcknowledgments Focus Group Participants Michelle Cawthorn, Georgia Southern University Marc Dal Ponte, Lake Land Colle ...

Acknowledgments ■ xxxiii This book wouldn’t have happened without Anne’s husband, Will, who took care of every single other thin ...

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Biology Now with Physiology ...

SCIENCE Caves of Death Scientists scramble to identify a mysterious scourge decimating bat populations. ◆ (^) Caption a diagram ...

3 SCIENCE 01 CHAPTER THE NATURE OF SCIENCE ...

4 ■ CHAPTER 01 The Nature of Science SCIENCE E very spring for 30 years, Alan Hicks laced up his hiking boots, packed his camera ...

Caves of Death ■ 5 But science is the best way to answer ques- tions about the natural world. The first two steps of the scienti ...