This pioneering textbook invites students into the world of introductory biology, encouraging them to explore while providing tools to help them grasp the material. Designed to engage introductory students and make biology relevant to their lives, BIOLOGY: Concepts and Connections, Third Edition, emphasizes concepts through unique modules. Each module combines exceptional art, text that walks students through illustrations, accompanying interactive media, and compelling real-world connections. Every chapter begins with an interesting story and an outline of the topics and concepts that lie ahead. Major headings help students navigate the concept-based modules, which link logically together. After each module, a question prompts students to test their understanding. The text is the cornerstone of a fully-integrated learning package, including print and interactive media supplements, that promotes understanding of biology's important connections to our lives and to other natural sciences.