IB Biology SL consists of a minimum of 150 prescribed hours, and IB Biology HL consists of a minimum of 240 prescribed hours. Both levels cover topics 1-6, and HL additionally consists of topics 7-11. For both levels, you'll also cover one of the four options (we do Option C), at either the SL or HL level.
CORE (SL and HL):
- Topic 1: Cell Biology
- Topic 2: Molecular Biology
- Topic 3: Genetics
- Topic 4: Ecology
- Topic 5: Evolution and Biodiversity
- Topic 6: Human Physiology
- Topic 7: Nucleic Acids
- Topic 8: Metabolism, Cell Respiration and Photosynthesis
- Topic 9: Plant Biology
- Topic 10: Genetics and Evolution
- Topic 11: Animal Physiology
Useful websites for course summaries and details: