1. Cell biology1.1 Cell structure1.2 Cell division1.3 Transport in cells1. Cell biology1.1 Cell structure1.2 Cell division1.3 Transport in cells2. Organisation2.1 Principles of organisation2.2 Animal tissues, organs and organ systems2.3 Plant tissues, organs and systems2. Organisation2.1 Principles of organisation2.2 Animal tissues, organs and organ systems2.3 Plant tissues, organs and systems3. Infection and response3.1 Communicable diseases3.2 Monoclonal antibodies (biology only) (HT only)3.3 Plant disease (biology only)3. Infection and response3.1 Communicable diseases3.2 Monoclonal antibodies (biology only) (HT only)3.3 Plant disease (biology only)4. Bioenergetics4.1 Photosynthesis4.2 Respiration4. Bioenergetics4.1 Photosynthesis4.2 Respiration5. Homeostasis and response5.1 Homeostasis5.2 The human nervous system5.3 Hormonal coordination in humans5.4 Plant hormones (biology only)5. Homeostasis and response5.1 Homeostasis5.2 The human nervous system5.3 Hormonal coordination in humans5.4 Plant hormones (biology only)6. Inheritance, variation and evolution6.1 Reproduction6.2 Variation and evolution6.3 The development of understanding of genetics and evolution6.4 Classification of living organisms6. Inheritance, variation and evolution6.1 Reproduction6.2 Variation and evolution6.3 The development of understanding of genetics and evolution6.4 Classification of living organisms7. Ecology7.1 Adaptations, interdependence and competition7.2 Organisation of an ecosystem7.3 Biodiversity and the effect of human interaction on ecosystems7.4 Trophic levels in an ecosystem (biology only)7.5 Food production (biology only)7. Ecology7.1 Adaptations, interdependence and competition7.2 Organisation of an ecosystem7.3 Biodiversity and the effect of human interaction on ecosystems7.4 Trophic levels in an ecosystem (biology only)7.5 Food production (biology only)