sience

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Across
  1. 4. Levels each level represents a different organisms
  2. 5. energy is transferred from living animal to living animal based on the
  3. 6. water leaving the earth and into the sky
  4. 9. a type of symbiotic relationship where all species involved benefit from
  5. 12. Nitrogen nitrogen gas takes up 78% of the atmosphere
  6. 13. Cycle circulation of nitrogen
  7. 14. water in the clouds returning to earth
  8. 19. the act or process of trying to get or win something
  9. 20. a close, prolonged association between two or more different
  10. 21. Respiration breaking down molecules and makes atp
  11. 22. plants absorb nitrogen
  12. 24. Fuels oil coal gasoline all contain large amounts of carbon
  13. 25. a relationship between individuals of two species in which one species
  14. 27. Conversion to be useful to living organisms
Down
  1. 1. water vapor cools and becomes liquid
  2. 2. Web consists of all the food chains in a single ecosystem
  3. 3. the process by which a plant turns energy from the sun into carbon
  4. 5. Succession when a new patch of land is created or exposed for the first time
  5. 7. The interplay between pigeons and humans is an example of neutralism
  6. 8. relationship between two species of plants or animals in which one
  7. 10. Cycle movement of carbon from the atmosphere into an organizem
  8. 11. wastefulness of an organism's
  9. 15. Succession the process by which the mix of species and habitat in an area changes
  10. 16. dead organisms slowly decomposing
  11. 17. Chain the passing of materials to producer to consumer
  12. 18. other soil bacteria convert to nitrogen
  13. 23. Cycle movement of oxygen from the atmosphere into living organizem
  14. 26. Pyramids producer herbivore carnivore