Lanyn Sisk- Unit 9 Choice Board

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Across
  1. 2. relating to light
  2. 5. first organism that occupies an ecosystem
  3. 7. where the tide meets the stream
  4. 11. forest being destroyed and cut down
  5. 14. non native species that harms the environment
  6. 16. an organism that has too many of it
  7. 18. with light
  8. 19. species that ecosystem relies on
  9. 20. first species to arrive in primary succession
Down
  1. 1. this harms the environment
  2. 3. no two species can occupy the same niche
  3. 4. multiple food chains linked together
  4. 6. large area where organisms live
  5. 8. without light
  6. 9. the earth getting warmer from pollution
  7. 10. puts out heat from the ocean
  8. 12. species only found in one place
  9. 13. variation in a community of organisms
  10. 15. succession that occurs from no life or soils
  11. 17. succession that occurs from previous soil and/or life