IB Biology HL Study Notes 2025 Syllabus

Biology Hl( 47 Results )

High-scoring IB Biology Hl notes designed for exam success

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IB Human Physiology Notes

Unit

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Option D: Human Physiology

One of the most purchased packs by IB students Master IB Biology HL Option

Author ImageJessica Y
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IB Biology HL Cell Biology Notes

Unit

45/45
Topic 1: Cell Biology

Dive deep into cellular processes with IB Cell Biology Notes for HL Unit 1.

Author ImageJessica Y
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IB Biology HL Molecular Biology Notes

Unit

45/45
Topic 2: Molecular Biology

Understand DNA, proteins, and gene expression with IB Molecular Biology Notes. Ideal for HL

Author ImageJessica Y
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Topic 3: IB Biology HL Genetics Notes

Unit

45/45
Topic 3: Genetics

Ace your exam with this concise guide. Master Genetics in IB Biology HL with

Author ImageJessica Y
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Biology HL Ecology

Unit

45/45
Topic 4: Ecology

Study relationships in nature with IB Biology Ecology Notes. HL students will grasp core

Author ImageJessica Y
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Evolution and Biodiversity – IB Biology HL Topic 5 Notes

Unit

45/45
Topic 5: Evolution and Biodiversity

Notes on Topic 5: Evolution notes (11 pages). Underlined passages are wording taken directly

Author ImageJessica Y
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Biology HL Human Physiology

Unit

45/45
Topic 6: Human Physiology

Students are choosing this more every day Deepen your understanding of internal systems with

Author ImageJessica Y
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Nucleic Acids in IB Biology HL – Topic 7 Notes

Unit

45/45
Topic 7: Nucleic Acids

Quickly grasp essential DNA and RNA concepts. Strengthen your understanding of nucleic acids in

Author ImageJessica Y
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IB Biology HL Metabolism notes

Unit

45/45
Topic 8: Metabolism, Cellular Respiration and Photosynthesis

Build strong foundations in energy processes. Master Topic 8: Metabolism, Cellular Respiration and Photosynthesis

Author ImageJessica Y
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IB Biology HL requires mastering complex processes, from cell biology and molecular genetics to ecology and human physiology. Our Biology HL notes are strategically designed to maximize study time while covering the in-depth content expected at Higher Level. Each unit, including topics like evolution, nucleic acids, and metabolism, offers clear explanations, diagrams, and markscheme-driven insights to align with exam expectations. With tailored content for Paper 1 quick recall, Paper 2 essay prep, and practical IA examples, these notes strike the perfect balance of detail and clarity. Whether revising key concepts or gearing up for finals, they make IB Biology HL learning more focused and efficient.

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