Newly updated, this manual offers in-depth preparation for the Advanced Placement Examination in Biology, with four model exams, a general review of all college-level biology topics, many additional drill-and-review questions, tables, a glossary of biology terms, and test-taking advice. Model exams, all revised to reflect up-to-date science, are similar to actual AP biology exams in structure, length, and degree of difficulty. there are answers and explanations for all exam and drill questions. Topics covered in the subject review include biological chemistry, cells, heredity, evolution, principles of taxonomy, plant biology, animal and human physiology, and modern concepts in ecology. Special attention is given to recent developments in genetics.