Chapter 4 vocab

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Across
  1. 1. When water covers the soil
  2. 6. species Single species
  3. 8. ability to survive under environmental circumstances
  4. 10. exclusion principle No two species can occupy the same niche in the same habitat
  5. 12. zone Sunlit region near the surface in which photosynthesis can occur
  6. 13. When two species live close together
  7. 14. Hot or Cold
  8. 16. When organism lives near the bottom of lakes, streams, and oceans.
  9. 17. Species both benefit
  10. 19. When predator feeds on it's prey
  11. 20. Special kind of wetland
Down
  1. 2. What and organism does and how it interacts
  2. 3. Necessity of life
  3. 4. Involves temperature and precipitation
  4. 5. Dense, leafy coverings
  5. 7. effect Trapping heat
  6. 9. When herbivores feed on plants
  7. 11. Where the organism lives
  8. 15. zone Photosynthesis cannot occur
  9. 17. climates Conditions over small areas
  10. 18. Boreal forest