What you need to know about the SAT Subject Test : Biology E/M. The basics ; Strategies -- Mini-diagnostic test -- Cellular and molecular biology. Biochemistry ; The cell ; Cell division : mitosis and meiosis ; Cell respiration ; Photosynthesis -- Heredity. Classical genetics ; Molecular genetics -- Evolution and diversity. Evolution ; Biological diversity -- Organismal biology. Plants ; Animal physiology ; Human Physiology ; Reproduction and development ; The human immune system ; Animal behavior ; Ecology -- Sample tests. Biology E/M sample test 1 ; Biology E/M sample test 2.