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DP Science Cafe

IB Biology · Theme A

Unity and diversity

A1 · Molecules

A1.1 Water 8 statements · 18 questions
A1.2 Nucleic acids 15 statements · 27 questions

A2 · Cells

A2.1 Origins of cells HL 9 statements · 19 questions
A2.2 Cell structure 14 statements · 25 questions
A2.3 Viruses HL 6 statements · 16 questions

A3 · Organisms

A3.1 Diversity of organisms 15 statements · 24 questions
A3.2 Classification and cladistics HL 9 statements · 17 questions

A4 · Ecosystems

A4.1 Evolution and speciation 11 statements · 18 questions
A4.2 Conservation of biodiversity 8 statements · 17 questions