Organism and Their Environment

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Across
  1. 7. ammonium
  2. 8. light energy absorbed by chlorophyll in producer converted to chemical energy
  3. 10. biological balance
  4. 12. process by which ammonium compound are converted to nitrates
  5. 13. swelling found in the root
  6. 16. organism that get their energy by breaking down dead organism, feces and excretory product
  7. 18. enters and ecosystem in the form of light and heat from the sun
  8. 19. the various processes by which carbon in the form of carbon dioxide is removed from and released into the environment
  9. 20. release by respiration
  10. 21. an animal that feeds on another animal
  11. 24. the position of an organism in a food chain, food web or ecological pyramid
  12. 26. processes by which nitrogen is constantly removed from the soil and is eventually returned to it in the form of nitrates
  13. 30. phase of population growth rapid increase
  14. 34. allow us to compare the mass of organisms present in each tropic level
  15. 35. nitrates
  16. 37. the principal source of energy
  17. 38. whenorganism move out of the are
  18. 40. phase of population starts to drop
  19. 41. siqmoid curve
  20. 43. phase of population become constant
Down
  1. 1. consist of a network of interconnected food chain
  2. 2. allow us to compare the number of organisms present in each tropic level at a particular time
  3. 3. removing nitrogen from excess (protein) amino acid in the liver and producing urea
  4. 4. breakdown nitrates in the soil to nitrogen gas
  5. 5. most shape of pyramid numbers
  6. 6. is converted to chemical energy that is passed from organism to organism through the ecosystem
  7. 9. nitrite
  8. 11. organism that are not able to make their own food
  9. 14. the flow of energy through the ecosystem
  10. 15. series of organism through which energy and nutrients are transferred, beginning with a producer
  11. 17. obtain energy and nutrients by feeding on other animal
  12. 22. an animal that is eaten by another animal
  13. 23. study of organism continually interact with one another with their surrounding environment
  14. 25. when organism of the same species move into the same area
  15. 27. group of organism of the same species that live together in a habitat
  16. 28. process which atmospheric nitrogen is converted to compound such as ammonia
  17. 29. obtain energy and nutrients by feeding directly on plants
  18. 31. an organism that makes its own organic food substance
  19. 32. made up of all the population of different species living and interacting with one another in habitat
  20. 33. phase of population growth increases slowly
  21. 36. the place where an organism lives
  22. 39. example of producer
  23. 42. community of organism interacting with one another and with non-living environment