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 comes with a 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.System Requirements: This program will run on a PC with: 2.33GHz or faster x86-compatible processor, or Intel® Atomâ'¢ 1.6GHz or faster processor for netbooksMicrosoft® Windows® Server 2008, Windows Vista® Home Premium, Business, Ultimate, or Enterprise (including 64 bit editions) with Service Pack 2, Windows 7, or Windows 8 Classic 512MB of RAM (1GB of RAM recommended) This program will run on a Mac® with: Intel Coreâ'¢ Duo 1.83GHz or faster processor Mac OS X v10.6, v10.7, v10.8, or v10.9 512MB of RAM (1GB of RAM recommended) Read Less