Ecosystems Crossword Puzzle

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Across
  1. 5. the predictable changes following a disturbance
  2. 8. describes the state of an ecosystem with relatively constant conditions over a period of time
  3. 11. a sequence do organisms, each feeding on the next, showing how energy is transferred from one organism to another
  4. 13. the biotic conditions within which a species can survive
  5. 14. the movement of matter through the biotic and biotic environment
  6. 15. refers to a species that has died out and no longer occurs on earth
  7. 16. an ecosystem that is maintained through natural process
  8. 18. the ability to maintain an ecological balance
  9. 20. the maximum population size of a particular species that a given ecosystem can sustain
  10. 21. the layer of gasses surrounding the earth
  11. 23. succession on newly exposed ground, such as following a volcanic eruption
  12. 28. any factor that restricts the size of a population
  13. 29. a body of water that is low in nutrients
  14. 30. visible forms of radiant energy
  15. 31. the biogeochemical cycle in which carbon is cycle through all the spheres
  16. 33. the series of processes that cycle water through the environment
  17. 34. all non-living things in an ecosystem
  18. 35. the series of processes in which nitrogen compounds are moved through the biotic and biotic environment
  19. 36. the form of energy transferred during heating and cooling
  20. 37. the number of species in an area
  21. 38. all living things and their physical and chemical environment
  22. 39. the process in which the sun's energy is converted into chemical energy
  23. 40. an organism that makes its own energy-rich food compounds using the suns energy
Down
  1. 1. the mass of living organisms in a given area
  2. 2. a representation of the feeding relationship within a community
  3. 3. an organism that obtains its energy from consuming other organisms
  4. 4. earth's solid outer layer
  5. 6. the process by which sugar and oxygen is converted into carbon dioxide and water, to provide energy for the cell
  6. 7. succession in a partially disturbed ecosystem, such as following a forest fire
  7. 9. all of earths water is solid, liquid and gas form
  8. 10. a body of water that is rich in nutrients
  9. 12. all living things in an ecosystem
  10. 17. a representation of energy, numbers, or biomass relationships in ecosystems
  11. 19. the variety of life in a particular ecosystem
  12. 22. the level of an organism in an ecosystem depending on its feeding position along a food chain
  13. 24. the function of a species serve in its ecosystem
  14. 25. the zone around earth where life can exist
  15. 26. energy that travels through empty spaces
  16. 27. a large geographical region defined by climate with a specific set of biotic and a biotic features
  17. 32. the land area drained by a particular river