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Turn your biology notes into a concept map you can edit

Upload lecture slides, textbook PDFs, or photos of your notes. DeckOwl builds an editable mind map of cells, enzymes, or ecosystems so you can see how ideas connect before the exam.

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How a biology concept map helps you study science

Biology courses pile up vocabulary fast, and a biology concept map shows how cells, membranes, and organelles fit together.

Trace photosynthesis from light reactions to the Calvin cycle on one page.
Connect enzymes, substrates, and pH effects in a single branch.
Spot gaps where a topic has no sub-points in your notes.
Redraw the map after each lecture to check what you actually retained.

Example biology concept map topics for science students

PhotosynthesisLight-dependent reactions · Calvin cycle · Chloroplast structure · Factors: light, CO2, temperature

Cellular respirationGlycolysis · Krebs cycle · Electron transport chain · ATP yield

Cell membranePhospholipid bilayer · Embedded proteins · Selective permeability

EnzymesActive site · Substrate specificity · Denaturation by heat or pH

DNA replicationHelicase unwinds the helix · DNA polymerase adds nucleotides · Leading and lagging strands

Generate the full set

Works with your material

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

Editable, explorable maps

Rearrange branches, adjust the wording, and expand or collapse topics as you review.

Pair maps with practice

Generate flashcards with spaced repetition or quizzes from the same notes when you want to test recall.

How it works

Upload your notes

Add a PDF, DOCX, PPTX, text file, or photos of a textbook page.

Generate the map

DeckOwl reads the material and builds a branching mind map of the main ideas.

Edit and explore

Adjust branches, then click through sub-points to see how the topics connect.

A concept map works best when the branches reflect how the material is organized: a process at the center, its stages as branches, and the evidence or exceptions as smaller nodes. DeckOwl drafts that structure from your lecture notes, then leaves the arrangement to you.

Because the map is editable, you can redraw it after each lecture or when a textbook chapter changes your understanding. Use it as a review sheet before exams, not as a substitute for reading the source.

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Frequently asked questions

How do I build a concept map for cell biology?

Start with the central idea, such as the cell membrane or cellular respiration, then add the main processes as first-level branches. Keep each sub-point short, one term or one cause-and-effect link.

How many branches should a biology concept map have?

Most useful maps have 4 to 7 main branches, each with 2 to 4 sub-points. If a branch needs more, split it into a separate map for that subtopic.

Can I export my biology concept map?

Free plans study in the browser without exports. Paid plans include export: Plus adds PDF and DOCX export, and Pro adds QTI 2.1 and Moodle XML.

Is there a free way to try it?

Yes. The free plan includes 3 generations per month and browser study, and no credit card is needed to start. Students get 40% off with a school email.

Generate free mind maps

Keep exploring the topic

Review the main ideas visually or practice recalling them.