Biology: The Unity and Diversity of Life is a college-level introductory biology textbook that helps students learn how to apply critical thinking and scientific methods to developing their understanding of basic concepts in molecular biology and [biochemistry]], genetics, biotechnology, reproduction and embryonic development, anatomy and physiology of plants and animals, evolution, taxonomy, and ecology. The book is designed to create in students a broad foundation of knowledge in biology and is frequently used in AP Biology classes in American high schools. Each book includes an interactive CD-ROM with links to additional instructional material. Like many textbooks new versions are printed every few years and reflect discoveries and paradigm shifts in scientific knowledge. The book is pu