Nature Themed Crossword

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Across
  1. 3. To spread undesirably or harmfully
  2. 4. Has eight legs
  3. 5. Decaying organic material used as fertilizer
  4. 9. Animals of a particular habitat or region
  5. 11. Helps carry pollen from one flower to another
  6. 14. A young tree
  7. 15. A large area covered mainly with trees and undergrowth
  8. 17. Uses echolocation to navigate and find insect prey
  9. 18. Active at night
  10. 19. Convert into reusable material
  11. 20. A small body of water
Down
  1. 1. The series of stages of form and activity thru which a living thing passes
  2. 2. Make or become rotten
  3. 6. Land consisting of marshes or swamps
  4. 7. Place where an organism makes its home
  5. 8. The plants of a particular habitat or region
  6. 10. Where birds sleep
  7. 12. Has a black mask and ringed tail
  8. 13. The plants, animals and things in this world not made by humans
  9. 16. Nocturnal bird of prey