Renowned for its writing style and trendsetting art, BIOLOGY: THE UNITY AND DIVERSITY OF LIFE, 13E, International Edition provides real-world applications and helps you think critically about them. The new edition offers a new Learning Roadmap in each chapter to help you gain a full understanding. You will be able to focus on key concepts, make connections to other concepts, and see where the material is leading. Helpful learning tools like the section-ending "Take-Home Messages" and the on-page running glossary ensure that you will grasp key points. Carefully balancing accessibility and the level of detail, the authors enable you to go beyond rote memorization and prepare you to make important decisions in life that require an understanding of biology and the process of science.