Ecosystem Crossword

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Across
  1. 2. an ecosystem that is maintained through natural processes
  2. 4. the abiotic conditions within which a species can survie
  3. 6. visible forms of radiant energy
  4. 8. living things, their remains, and features, such as nests, associated with their activities
  5. 10. any factor that restricts the size of a population
  6. 13. the level of an organism in an ecosystem depending on its feeding position along a food chain
  7. 16. a representation of the feeding relationships within a community
  8. 20. the process in which the Sun's energy is converted into chemical energy
  9. 21. a representation of energy, numbers, or biomass relationships in ecosystems
  10. 22. the function a species serves in its ecosystem,including what it eats, what eats it, and how it behaves
  11. 23. energy that travels through empty space
  12. 26. an organism that obtains its energy from consuming other organisms
  13. 27. Earth's solid outer layer
  14. 28. the ability to maintain an ecological balance
  15. 29. the form of energy transferred during heating or cooling
Down
  1. 1. all of Earth's water in solid,liquid,and gas form
  2. 3. the series of processes in which nitrogen compounds are moved through the biotc and abiotic environmen
  3. 5. the process by which sugar is converted into carbon dioxide,water,and energy
  4. 7. the mass of living organisms in a given area
  5. 9. a sequence of organisms, each feeding on the next, showing how energy is transferred from one organism to another
  6. 11. the non-living physical and chemical components of an ecosystem
  7. 12. the series of processes that cycle water through the environment
  8. 14. the biogeochemical cycle in which carbon is cycled through the lithosphere, atmosphere, hydrosphere, and biosphere
  9. 15. the zone around Earth where life can exist
  10. 17. all the living organisms and their physical and chemical environment
  11. 18. a large geographical region defined by climate (precipitation and temperature) with a specific set of biotic and abiotic features
  12. 19. the movement of matter through the biotic and abiotic environment
  13. 24. the layer of gases surrounding Earth
  14. 25. an organism that makes its own energy-rich food compounds using the Sun's energy