A Wildlife and Environment Crossword Adventure

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Across
  1. 2. Illegal hunting or capturing of animals (8 letters)
  2. 5. Something that is very valuable or special (8 letters)
  3. 9. To chase and kill animals for food or sport (4 letters)
  4. 10. Trying very hard but having difficulty (10 letters)
  5. 11. Very interesting or exciting (10 letters)
  6. 12. The natural world where plants, animals, and other organisms live together (9 letters)
  7. 14. Made by humans, not natural (9 letters)
  8. 17. Family members, like brothers, sisters, or cousins (8 letters)
  9. 19. Dirty air, water, or land that harms the environment (9 letters)
Down
  1. 1. Animals or plants that are close to disappearing forever (9 letters)
  2. 3. Very, very big (7 letters)
  3. 4. The group of all living things, including animals, plants, and more (7 letters)
  4. 6. When all members of a species die out forever (9 letters)
  5. 7. Something that needs to be done right away (6 letters)
  6. 8. Dangers or things that can cause harm (7 letters)
  7. 13. Full of energy and excitement (6 letters)
  8. 15. Very important (9 letters)
  9. 16. Very angry (6 letters)
  10. 18. Very fast (6 letters)