PREMIUM PRACTICE FOR A PERFECT 5! Ace the digital AP Biology Exam with The Princeton Review's comprehensive study guide. Includes 6 full-length practice exams , timed online practice, and thorough content reviews. The Princeton Review's AP Biology Premium Prep is a one-stop-shop guide that will help you prep for the exam with confidence. In this book, you'll get: Test Prep That Actually Works Written by real AP® teachers and tutors for an expert edge Backed by 40+ years of proven test prep expertise Consistently excellent content that’s always up-to-date Everything You Need for a High Score Comprehensive coverage of AP Biology, from cells and genes to natural selection Proven strategies to avoid test traps and achieve your best score Diagnostic answer key that identifies your focus areas Extra online Student Tools, including digital flashcards, customizable study plans, key equations and formulas, and more Premium Practice for AP Excellence 6 full-length practice tests (3 in the book, 3 online) with detailed answer explanations Practice the way you want it, with both in-book and online tests (provided digitally with timer, or as downloadable interactive PDFs) Practice drills at the end of each content review chapter