IB Biology SL and HL

IB Biology SL and HL Topics

Topic 4: Ecology

Topic 5: Evolution and biodiversity

  • 5.1 Evidence for evolution
  • 5.2 Natural selection
  • 5.3 Classification of biodiversity
  • 5.4 Cladistics

Topic 6: Human physiology

Additional HL Topics

Topic 7: Nucleic acids

Topic 8: Metabolism, cell respiration and photosynthesis

Topic 9: Plant biology

  • 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
Topic 10: Genetics and evolution

  • 10.1 Meiosis
  • 10.2 Inheritance
  • 10.3 Gene pools and speciation

Topic 11: Animal physiology

Misc