Ecology Crossword Puzzles: Free Printable and Online

Explore the natural world with our free Ecology crossword puzzles on Grid Genius, testing your knowledge of ecosystems, wildlife, and the environment.

Print any ecology crossword below, download it as a PDF, or play it online. Free, and no signup is needed to play.

2 puzzles, click Print on any puzzle below

Ecology

Easy · 11×11 · 10 words
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Printing for a class?

Print 2 or 4 versions of this puzzle with different grid layouts, so desk neighbors cannot copy answers. Same words and clues, and each version has its own answer key. Class sets are a Plus feature in the Grid Genius app.

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Across

  1. 2. Huge body of salt water covering most of Earth
  2. 5. All the different species living together in one place
  3. 8. All the members of one species living in an area
  4. 10. Very dry habitat that gets little rainfall

Down

  1. 1. Organism that breaks down dead plants and animals
  2. 3. Usual weather pattern of a region over many years
  3. 4. Thick, warm forest packed with plants and animals
  4. 6. Living thing that must eat other organisms for energy
  5. 7. Group of living things that can breed with one another
  6. 9. Small body of still fresh water

Ecology

Easy · 7×7 · 6 words
Play online →

Printing for a class?

Print 2 or 4 versions of this puzzle with different grid layouts, so desk neighbors cannot copy answers. Same words and clues, and each version has its own answer key. Class sets are a Plus feature in the Grid Genius app.

Make a class set →
1
2
3
4
5
6

Across

  1. 1. The color most associated with environmental movements
  2. 5. To process used materials like glass or paper so they can be used again
  3. 6. The layer in the upper atmosphere that protects Earth from harmful rays

Down

  1. 2. A natural stream of water that flows into the sea
  2. 3. A very dry habitat with little water and sandy soil
  3. 4. The vast body of salt water that covers most of the globe

Make your own Ecology crossword

Turn your own word list into a crossword with the free Grid Genius maker. Print it with an answer key or share a playable link with your class. No account needed.

Make your own Ecology crossword

Related Printable Crossword Topics

Ecology Crossword FAQ

Is this Ecology crossword puzzle free?

Yes. Every Ecology crossword on this page is free. You can print it, download it as a PDF, or play it online without paying anything or creating an account.

Can I print the Ecology crossword?

Yes. Click Print on any puzzle for a print-ready page with the grid, the clues, and a name and date line, or use Download to save it as a PDF, PNG, or JPEG for photocopying. The PDF download includes a filled answer key on the last page for grading.

Can students play these crosswords online?

Yes. Every puzzle has a Play online link that opens in the browser on any device. No app install and no signup is needed to play, which makes it easy to share with a class.

Can I make my own Ecology crossword?

Yes. The free Grid Genius crossword maker builds a puzzle from your own words and clues, with a printable grid and answer key. The Grid Genius app can also generate a complete crossword from any topic you type.