Section 1. Principles of biology
Chapter 1 Cells and tissues
Chapter 2 The chemicals of living cells
Chapter 3 Energy from respiration
Chapter 4 How substances get in and out of cells
Chapter 5 Photosynthesis and nutrition in plants
Section 2. Flowering plants
Chapter 6 Plant structure and function
Chapter 7 Transport in plants
Chapter 8 Reproduction in flowering plants
Chapter 9 Asexual reproduction and cloning in plants
Section 3. Human physiology
Chapter 10 Food and diet
Chapter 11 Digestion, absorption and use of food
Chapter 12 The blood circulatory system
Chapter 13 Breathing
Chapter 14 Excretion and the kidneys
Chapter 15 The skin, and temperature control
Chapter 16 Human reproduction
Chapter 17 The skeleton, muscles and movement
Chapter 18 The senses
Chapter 19 Co-ordination
Chapter 20 Personal health
Section 4. Genetics and heredity
Chapter 21 Cell division, chromosomes and genes
Chapter 22 Heredity
Chapter 23 Variation, selection and evolution
Chapter 24 Applied genetics
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Section 5. Organisms and their environment
Chapter 25 The interdependence of living organisms
Chapter 26 The human impact on the environment
Chapter 27 Conservation
Chapter 28 Ecosystems
Chapter 29 Populations
Section 6. Diversity of organisms
Chapter 30 Classification
Chapter 31 Micro-organisms
Chapter 32 Feeding
Chapter 33 Breathing
Chapter 34 Reproduction
Chapter 35 Growth and development
Chapter 36 Movement and locomotion
Chapter 37 Sensitivity
Section 7. Micro-organisms and humans
Chapter 38 Biotechnology
Chapter 39 Disease: causes, transmission and control
Section 8. Ideas and evidence
Chapter 40 Ideas and evidence
Chapter 41 Observation and experiment
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Downloads
Download the answers in PDF format below
Section 1, Chapters 1-5
Section 2, Chapters 6-9
Section 3, Chapters 10-12
Section 3, Chapters 13-17
Section 3, Chapters 18-20
Section 4, Chapters 21-24
Section 5, Chapters 25-27
Section 5, Chapters 28-29
Section 6, Chapters 30-34
Section 6, Chapters 35-37
Section 7, Chapters 38-39
Section 8, Chapters 40-41
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