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IB Biology
Syllabus
General Resources
Practical scheme of work
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Practical activities (Labs)
Individual investigation
IB Write
Core
1. Cell biology
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1.1 Introduction to cells
1.2 Ultrastructure of cells
1.3 Membrane structure
1.4 Membrane transport
1.5 The origin of cells
1.6 Cell division
2. Molecular biology
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2.1 Molecules to metabolism
2.2 Water
2.3 Carbohydrates and lipids
2.4 Proteins
2.5 Enzymes
2.6 Structure of DNA and RNA
2.7 DNA replication, transcription and translation
2.8 Cell respiration
2.9 Photosynthesis
3. Genetics
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3.1 Genes
3.2 Chromosomes
3.3 Meiosis
3.4 Inheritance
3.5 Genetic modification and biotechnology
4. Ecology
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4.1 Species, communities and ecosystems
4.2 Energy flow
4.3 Carbon cycling
4.4 Climate change
5. Evolution and biodiversity
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5.1 Evidence for evolution
5.2 Natural selection
5.3 Classification of biodiversity
5.4 Cladistics
6. Human physiology
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6.1 Digestion and absorption
6.2 The blood system
6.3 Defence against infectious disease
6.4 Gas exchange
6.5 Neurons and synapses
6.6 Hormones, homeostasis and reproduction
Additional higher level (AHL)
7. Nucleic acids
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7.1 DNA structure and replication
7.2 Transcription and gene expression
7.3 Translation
8. Metabolism, cell respiration and photosynthesis
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8.1 Metabolism
8.2 Cell respiration
8.3 Photosynthesis
9. Plant biology
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9.1 Transport in the xylem of plants
9.2 Transport in the phloem of plants
9.3 Growth in plants
9.4 Reproduction in plants
10. Genetics and evolution
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10.1 Meiosis
10.2 Inheritance
10.3 Gene pools and speciation
11. Animal physiology
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11.1 Antibody production and vaccination
11.2 Movement
11.3 The kidney and osmoregulation
11.4 Sexual reproduction
Options
A. Neurobiology and behaviour
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A.1 Neural development
A.2 The human brain
A.3 Perception of stimuli
A.4 Innate and learned behaviour (AHL)
A.5 Neuropharmacology (AHL)
A.6 Ethology (AHL)
B. Biotechnology and bioinformatics
C. Ecology and conservation
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C.1 Species and communities
C.2 Communities and ecosystems
C.3 Impacts of humans on ecosystems
C.4 Conservation of biodiversity
C.5 Population ecology (AHL)
C.6 Nitrogen and phosphorus cycles (AHL)
D. Human physiology
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