Optimized for use as an eBook, this new 5th edition of SAT SUBJECT TEST BIOLOGY E/M prepares students to succeed when they take the SAT Subject Test in Biology E/M (Ecology and Molecular). The manual presents a short diagnostic test and two full-length Biology E/M practice tests with all questions answered and explained. Straightforward study and test-taking strategies guide students through test preparation. Also included are an overview of the exam, an extensive subject review of all test topics and more than 350 practice questions and answers.