B1 Cell structure and cell transport
B2 Cell Division
B3 and B4 Organisation of animals and plants
B5 Communicable diseases and B6 Preventing disease
B8 Photosynthesis and B9 Respiration
B10 Nervous system, B11 Hormones and B12 Homeostasis
B13 Reproduction, B14 Variation and B15 Genetics and Evolution
B16 Adaptation & competition, B17 Organisation of a ecosystem and B18 Biodiversity