Book excerpt: If you need to know it, it's in this book. The eBook version of the 2013-2014 edition of Cracking the SAT Biology E/M Subject Test has been optimized for on-screen viewing with cross-linked questions, answers, and explanations. It includes: · 2 full-length practice tests with detailed explanations for every question · A comprehensive review of all test topics, including molecular biology, cellular respiration, transcription and translation, mitosis and meiosis, genetics, evolution and diversity, organ systems, behavior, ecology, and more · Review quizzes in every chapter · 8 helpful test-taking strategies and special tips for laboratory 5-choice questions