Barron's AP Biology, 5th Edition

This best selling AP Biology study guide includes:Two full-length exams that follow the content and style of the new AP Biology examAll test questions answered and explainedAn extensive review covering all AP test topicsHundreds of additional multiple-choice and free-response practice questions with answer explanationsThis manual can be purchased alone, or with an optional CD-ROM that includes two additional practice tests with answers and automatic scoring. BONUS ONLINE PRACTICE TEST: Students who purchase this book or package will also get FREE access to one additional full-length online AP Biology test with all questions answered and explained.