BIOLOGY: THE UNITY AND DIVERSITY OF LIFE, 15th Edition, reveals the biological world in wondrous detail. Packed with eye-catching photos and images, this best-selling text engages students with applications and activities that encourage critical thinking. Chapter-opening Core Concepts help students focus on the topics that matter most in every chapter. Each section within a chapter begins with clear Learning Objectives and section-ending Take Home Messages reinforce these key concepts. Links to Earlier Concepts help students make important connections and appreciate how living systems are interconnected and interacting. Available with MindTap for Biology, the platform that gives instructors complete control of their course and powers students from memorization to mastery.