Biology Crossword Challenge

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Across
  1. 3. System – The outer covering that keeps you safe.
  2. 4. – A thin layer that helps protect something from the outside.
  3. 6. – A tiny working part inside a cell.
  4. 9. System – Structure that supports the body.
  5. 10. nomenclature – A two-part naming system for living things.
  6. 12. Structures – Body parts that are built similarly.
  7. 13. – Any living thing you can think of.
  8. 16. Absorption – Taking in useful parts from food.
  9. 17. – Keeping things balanced and stable.
  10. 20. – Part of a plant’s internal transport system.
  11. 21. – Something that helps survival.
  12. 23. System – Helps bring in what you breathe.
  13. 25. System – The body’s internal transport route.
  14. 26. System – What helps the body move and work.
  15. 30. – Small opening on a plant surface.
  16. 33. – Part of a plant hidden underground.
  17. 35. System – The body’s protection against unwanted invaders.
  18. 36. System – A system that sends out chemical “messages.”
  19. 37. System – Part of a plant above the ground.
  20. 38. – Water leaving a plant.
Down
  1. 1. – A body part with a specific job.
  2. 2. Selection – Humans choosing traits over time.
  3. 4. – The smallest piece that everything living is made from.
  4. 5. System – Fast communication system inside the body.
  5. 7. Structure – Body parts with similar jobs, different origins.
  6. 8. – Growth triggered by touch.
  7. 11. – Growth that follows light.
  8. 14. – A reaction to something that happens.
  9. 15. – When direction of growth is affected by gravity.
  10. 18. Cell – Controls tiny openings in a plant.
  11. 19. System – System involved in making new life.
  12. 20. – Something that can make you sick.
  13. 22. System – Transport system inside plants.
  14. 24. – Moves water inside plants.
  15. 27. – Supports and connects parts of a plant.
  16. 28. System – Helps clean and defend the body.
  17. 29. – Group of similar working cells.
  18. 31. – Something or someone from the past line.
  19. 32. System – Different organs working together.
  20. 34. System – The part of the body that processes what you eat.