IB Biology Syllabus

A complete, up-to-date, syllabus broken down by sub-topics for the IB Biology SL and IB Biology HL courses!

This is the full IB Biology syllabus. We are working on the functionality to make this interactive so that when you have an account with us, the relevant sub-topic from this page will appear alongside the matching notes, flashcards or questions.

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Topic 1: Cell Biology

This section of the IB Biology syllabus explores the cells found within all living organisms. It builds the fundamental understanding required for later topics in the IB Biology syllabus.

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Topic 2: Molecular Biology

This section of the IB Biology syllabus explores the molecules and components found within cells. It links to the content covered in topic 1 of the IB Biology syllabus.

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Topic 3: Genetics

This section of the IB Biology syllabus focuses on the genetic information present within all living organisms. It provides understanding necessary for the later topics in the IB Biology syllabus.

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Topic 4: Ecology

This section of the IB Biology syllabus discusses the organisms and their interaction with the natural environment that surrounds them. It covers terms used elsewhere in the IB Biology syllabus.

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Topic 5: Evolution & Biodiversity

This section of the IB Biology syllabus discusses the existence and emergence of life on planet earth. The content covered is unique to this topic of the IB Biology syllabus.

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Topic 6: Human Physiology

This section of the IB Biology syllabus explores the physiological processes ocurring within humans. The content covered builds on the fundamentals established by earlier topics of the IB Biology syllabus.

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Topic 7: Nucleic Acids

This section of the IB Biology syllabus explores the processes of DNA handling in great depth. It builds on the material included earlier in topic 2 of the IB Biology syllabus.

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Topic 8: Respiration & Photosynthesis

This section of the IB Biology syllabus explores the two major metabolic reactions that occur in living organisms. It builds on the material included earlier in topic 2 of the IB Biology syllabus.

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Topic 9: Plant Biology

This section of the IB Biology syllabus explores the structures, functions and processes of plants on earth. The material within this topic is not covered elsewhere on the IB Biology syllabus.

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Topic 10: Genetics & Evolution

This section of the IB Biology syllabus further details the processes associated with the genetic code during reproduction. It builds on the material included earlier in topic 3 of the IB Biology syllabus.

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Topic 11: Animal Physiology

This section of the IB Biology syllabus spans the physiological processes that occur in animals. It discusses linked but unique themes to earlier topics in the IB Biology syllabus.

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