Biodiversity

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Across
  1. 3. ecosystem’s ability to recover
  2. 4. excessive use of natural resources
  3. 5. position in a food chain
  4. 9. water-saturated ecosystems rich in species
  5. 10. trait that helps survival
  6. 11. non-native organism causing harm
  7. 15. close relationship between species**
  8. 16. area with high biodiversity and high threat
  9. 19. natural system that stores carbon
  10. 20. seasonal movement of species
  11. 21. variation of genes within a species
  12. 22. a species’ role in an ecosystem
  13. 24. permanent loss of a species
  14. 25. one benefits, other unaffected
  15. 26. all life on Earth
  16. 27. at high risk of extinction
  17. 28. network of feeding relationships
  18. 29. large ecological zone like desert or tundra
Down
  1. 1. group of organisms that can interbreed
  2. 2. species that holds an ecosystem together
  3. 6. transfer of pollen for plant reproduction
  4. 7. protection of natural resources
  5. 8. gradual change in ecosystems over time
  6. 12. natural home of a species
  7. 13. species that signals ecosystem health
  8. 14. breaking habitats into smaller pieces
  9. 17. both species benefit
  10. 18. one benefits at the other’s expense
  11. 23. community of organisms interacting with environment
  12. 27. found only in one geographic area