1. Unity and Diversity1.1 Water0/01.2 Nucleic Acids0/01.3 Origins of Cells (HL only)0/01.4 Cell Structure0/01.5 Viruses (HL only)0/01.6 Diversity of Organisms0/01.7 Classification and Cladistics (HL only)0/01.8 Evolution and Speciation0/01.9 Conservation of Biodiversity0/01. Unity and Diversity1.1 Water0/01.2 Nucleic Acids0/01.3 Origins of Cells (HL only)0/01.4 Cell Structure0/01.5 Viruses (HL only)0/01.6 Diversity of Organisms0/01.7 Classification and Cladistics (HL only)0/01.8 Evolution and Speciation0/01.9 Conservation of Biodiversity0/02. Form and FunctionPremium2.1 Carbohydrates and Lipids0/02.2 Proteins0/02.3 Membranes and Membrane Transport0/02.4 Organelles and Compartmentalization0/02.5 Cell Specialization0/02.6 Gas Exchange0/02.7 Transport0/02.8 Muscle and Motility (HL only)0/02.9 Adaptation to Environment0/02.10 Ecological Niches0/02. Form and FunctionPremium2.1 Carbohydrates and Lipids0/02.2 Proteins0/02.3 Membranes and Membrane Transport0/02.4 Organelles and Compartmentalization0/02.5 Cell Specialization0/02.6 Gas Exchange0/02.7 Transport0/02.8 Muscle and Motility (HL only)0/02.9 Adaptation to Environment0/02.10 Ecological Niches0/03. Interaction and InterdependancePremium3.1 Enzymes and Metabolism0/03.2 Cell Respiration0/03.3 Photosynthesis0/03.4 Chemical Signalling (HL only)0/03.5 Neural Signalling0/03.6 Integration of Body Systems0/03.7 Defence Against Disease0/03.8 Populations and Communities0/03.9 Transfers of Energy and Matter0/03. Interaction and InterdependancePremium3.1 Enzymes and Metabolism0/03.2 Cell Respiration0/03.3 Photosynthesis0/03.4 Chemical Signalling (HL only)0/03.5 Neural Signalling0/03.6 Integration of Body Systems0/03.7 Defence Against Disease0/03.8 Populations and Communities0/03.9 Transfers of Energy and Matter0/04. Continuity and ChangePremium4.1 DNA Replication0/04.2 Protein Synthesis0/04.3 Mutation and Gene Editing0/04.4 Cell and Nuclear Division0/04.5 Gene Expression (HL only)0/04.6 Water Potential0/04.7 Reproduction0/04.8 Inheritance0/04.9 Homeostasis0/04.10 Natural Selection0/04.11 Stability and Change0/04.12 Climate Change0/04. Continuity and ChangePremium4.1 DNA Replication0/04.2 Protein Synthesis0/04.3 Mutation and Gene Editing0/04.4 Cell and Nuclear Division0/04.5 Gene Expression (HL only)0/04.6 Water Potential0/04.7 Reproduction0/04.8 Inheritance0/04.9 Homeostasis0/04.10 Natural Selection0/04.11 Stability and Change0/04.12 Climate Change0/0