Barron's SAT Subject Test: Biology E/M with 5 Practice Tests features in-depth review of all topics on the exam and full-length practice tests in the book and online. This edition includes: One mini-diagnostic test to help you assess your strengths and weaknesses Comprehensive review of all topics on the exam, including: cellular and molecular biology, heredity, evolution and diversity, and organismal biology. Two full-length practice tests that reflect the actual SAT Subject Test: Biology exam in length, question types, and degree of difficulty Two full-length online practice tests with answer explanations and automated scoring Glossary of important terms you need to know for the exam