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Turn IB Biology HL notes into a clear, editable mind map

Upload your Biology HL notes, slides or past-topic PDFs and get a mind map organized by syllabus topic. Click any branch to expand it, reword it, or rearrange it as your understanding grows.

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How to use an IB Biology HL mind map for revision

Many students take IB Biology HL mind maps from their own lessons because a single page shows how cell structure, metabolism, genetics and ecology connect. A map built from your own notes reflects your teacher's emphasis and the terms your exam paper will use, which a generic diagram cannot do.

Start each branch with a syllabus term, then add the process or example beneath it.
Use arrows or short labels to show cause and effect, such as enzyme action or feedback loops.
Redraw the map from memory before checking your notes, and mark what you missed.
Turn your weakest branch into flashcards or a quiz and revisit it in a few days.

Example IB Biology HL mind map branches

Cell membrane structureFluid mosaic model · Phospholipid bilayer · Integral and peripheral proteins · Selective permeability

PhotosynthesisLight-dependent reactions · Light-independent reactions (Calvin cycle) · Limiting factors · Chloroplast structure

DNA replicationSemi-conservative model · Helicase unwinds the double helix · DNA polymerase adds nucleotides 5′ to 3′ · Leading and lagging strands

Natural selectionVariation within populations · Overproduction of offspring · Differential survival and reproduction · Heritable traits

Carbon cyclePhotosynthesis removes CO2 · Respiration and combustion release CO2 · Decomposers recycle carbon · Fossil fuels store carbon

Generate the full set

Syllabus-shaped branches

Main branches follow the topics you study, such as cell biology, genetics and ecology, so the map matches your course rather than a generic outline.

Explorable, editable maps

Collapse and expand branches, add your own sub-points, and move ideas around. The map stays yours to correct as you learn more.

Turn branches into practice

Send any branch to flashcards with spaced repetition or to a quiz with explanations, so the map becomes a starting point for active recall.

How it works

Upload your material

Add a PDF, DOCX, PPTX, plain text notes, or a photo of a page. Photos are read with text recognition.

Generate the mind map

DeckOwl builds a branching map from your content. Review it and edit anything that looks off.

Revise branch by branch

Explore the weakest branches first, then test yourself with flashcards or a quiz built from the same notes.

A good map has six to eight main branches that match your syllabus topics, with three to five short sub-points under each. Keep every label to a phrase you can recall without looking, then redraw the map from memory once a week and check the gaps against your notes and past paper questions.

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Frequently asked questions

How many branches should an IB Biology HL mind map have?

Aim for six to eight main branches that follow the syllabus topics you are studying. Each branch works best with three to five short sub-points you can recall without looking.

How should I use a mind map to revise IB Biology HL?

Redraw the map from memory, then compare it with your notes to find gaps. Pick the weakest branch and turn it into flashcards or practice questions for the next study session.

Can I edit the mind map after DeckOwl generates it?

Yes. You can expand and collapse branches, reword labels, add your own sub-points, and rearrange ideas to match how you learn.

Do I need a paid plan to export my mind map?

Exports are part of paid plans. Plus, at $99.90 per year or $9.99 per month, includes PDF and DOCX export, while the free plan gives you 3 generations per month with study in the browser.

Generate free mind maps

Keep exploring the topic

Review the main ideas visually or practice recalling them.