If you need to know it, it's in this book. The eBookversion of the2013-2014 edition of Cracking the SAT Biology E/MSubject Testhas beenoptimized for on-screen viewing with cross-linkedquestions, 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