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Turn your own notes into an easy concept map

DeckOwl builds an editable, explorable mind map from your PDFs or notes, so you can see how a topic's ideas connect.

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What a simple concept map should show

Every useful concept map example starts with one central idea and a few branches that connect to it. For ecosystems, that usually means splitting the topic into producers, consumers, decomposers, and the energy moving between them. Instead of a ready-made template, DeckOwl reads your own material and drafts that structure, so the map reflects what your teacher actually covered.

Keep each branch to one idea so the map stays easy to scan.
Edit or move any node after the map is generated.
Collapse branches to test recall section by section.
Works with PDFs, DOCX, PPTX, plain notes, and photos of pages.

Example ecosystem and food web mind map branches

ProducersPlants and algae capture sunlight through photosynthesis · They form the base of every food web · Energy they store flows up to consumers

Trophic levelThe position an organism occupies in a food chain · Producers are level 1 and primary consumers are level 2 · Only about 10 percent of energy passes to the next level

DecomposersFungi and bacteria break down dead matter · They return nutrients such as nitrogen to the soil · Producers can then reuse those nutrients

Food chain vs. food webA food chain follows one path of energy · A food web shows many interconnected feeding links · Webs reveal how losing one species affects several others

Biotic and abiotic factorsLiving parts such as predators, prey, and plants · Nonliving parts such as water, temperature, and soil · Both shape which species can survive in a habitat

Generate the full set

Editable branches

Rename, move, or delete any node after the map is generated, so it matches your course rather than a generic template.

Explorable structure

Collapse and expand branches to test yourself on one section at a time without losing the bigger picture.

Built from your material

Start from PDF, DOCX, PPTX, plain notes, or photos of pages read with text recognition.

How it works

Add your notes

Upload a PDF, slide deck, or typed notes from your class.

Review the draft map

Check the central idea and main branches, then adjust anything that is missing or off.

Study and export

Explore the map in your browser, and export to PDF, DOCX, or Anki on a paid plan.

Food webs are the hardest part to keep straight because they tangle many feeding links into one picture. A mind map lets you pull out a single chain, such as grass to rabbit to fox, and see where it sits inside the larger web. Once each branch is clear, you can quiz yourself on it.

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Frequently asked questions

How many main branches should an ecosystem concept map have?

Four to six main branches usually keep the map readable. Start with producers, consumers, decomposers, and energy flow, then add detail only where your course requires it.

How do I study a food web without memorizing every arrow?

Trace one energy path from the sun to a top predator, then note what would change if one species disappeared. Explaining that effect out loud shows you understand the links better than memorizing arrows.

Can I export my mind map?

The free plan lets you study in the browser with three generations per month, but exports are not included. Plus, at $99.90 a year or $9.99 a month, adds PDF, DOCX, Anki, and CSV export with unlimited generations.

Is there a discount for students?

Students get 40 percent off with a school email. You do not need a credit card to start.

Generate free mind maps

Keep exploring the topic

Review the main ideas visually or practice recalling them.