Principles of Life returns in a thoroughly updated new edition that exemplifies the reform that is remaking the modern biology classroom.With the recommendations proposed in the NSF/AAAS mandate "Vision and Change in Undergraduate Biology Education" clearly in mind, the authors focus on just those concepts that give students both the big picture of biology and the important basics – in only 45 chapters and 940 pages. Throughout, active learning exercises challenge students to analyze data and apply concepts, while new QR codes and direct Web addresses integrated into the text link students immediately to dynamic resources via their smartphones, tablets, or any Web browser. Replacing BioPortal, a "next generation" online learning space called LaunchPad connects teachers and students with powerful course tools, carefully curated content, and an intuitive interface.