The Earth and Ecosystems

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Across
  1. 3. _______________ energy, is a form of energy transferred during heating or cooling
  2. 6. ________phere; means vapour; the layer of gases surrounding earth
  3. 9. like all _________, humans can be influenced by biotic and abiotic factors
  4. 12. an organism that obtains its energy from consuming other organisms
  5. 14. _______________ energy, is energy that travels through empty space
  6. 18. ____________ energy, is a visible form of radiant energy
  7. 19. the process in which the sun's energy is converted into chemical energy
  8. 22. all the individuals of all the various populations form a _______________
  9. 25. a ___________________ ecosystem is maintained through natural processes
  10. 26. the community of _____________ and fungi living in a rotting log is an ecosystem
  11. 28. the ability to maintain an ecological balance
  12. 29. non-living physical and chemical components of of an ecosystem
Down
  1. 1. ________________ ecosystems are generally sustainable
  2. 2. all of the earth's water in solid, liquid and gas form
  3. 4. _______________ depend on photosynthesizing organisms for food and oxygen
  4. 5. example of an ecosystem found in Ontario
  5. 7. _________________ respiration is the process by which sugar and oxygen are converted into carbon dioxide and water
  6. 8. during photosynthesis, green plants use the sun's ____________ to convert C02 and water into sugar and oxygen
  7. 10. an organism that makes its own energy-rich food compounds using the sun's energy
  8. 11. all individuals of a single species in a particular area make a ________________
  9. 13. all the living organisms and their environment
  10. 15. the zone around earth where life can exist
  11. 16. ________shpere; means stone; the earth's solid outer layer
  12. 17. in __________ ecosystems, the main producers are microscopic organisms
  13. 20. individual ____________ form many species that share an ecosystem
  14. 21. example of an ecosystem found in a park
  15. 22. _______ require a continuous supply of energy to stay alive
  16. 23. the _________ hypothesis: a theory that the earth behaves like an organism
  17. 24. ________________ created ecosystems must usually be managed
  18. 27. living things, their remains, and features (i.e. nests)