Revised and updated to reflect the most recent AP Biology test, this set of 500 flash cards covers 20 general categories: Biochemistry, the Cell, Cell Respiration, Photosynthesis, Cell Division, Heredity, Molecular Genetics,, Classification, Evolution, Plants, Nutrition, Transport, Excretion, Hormones, Immunology, Nerves & Muscles, Reproduction & Development, Ecology, Animal Behavior, and Lab. Important terms and phrases that students are advised to memorize appear in bold type or italics. Although designed primarily as an Advanced Placement test study aid, these flash cards can be used by all biology students.