biology syllabus

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core topics — 95 hours

cell biology
molecular biology
genetics
ecology
evolution and biodiversity
human physiology I

AHL topics — 60 hours

nucleic acids
metabolism, cell respiration, and photosynthesis
plant biology
genetics and evolution
animal physiology

optional topics — 15 hours SL/25 hours HL

neurobiology and behavior
biotechnology and bioinformatics
ecology and conservation
human physiology II