Pick your stream
Choose the IB Biology course you’re studying. Each stream has its own syllabus, exams, and resources.
IB Biology
Biology Standard Level
Core biology — cells, genetics, ecology, and human physiology.
SL
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Curriculum Framework
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Revision Notes
❓
Exam Practice Questions
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Mock Exams
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Past Papers
IB Biology
Biology Higher Level
Advanced biology — adds deeper genetics, physiology, and biochemistry.
HL
📋
Curriculum Framework
📖
Revision Notes
❓
Exam Practice Questions
📝
Mock Exams
📄