Human Ecology

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Across
  1. 2. both organisms are negatively affected by this interaction
  2. 7. a huge store of carbon, all the water on earth
  3. 9. one organism is benefited while the other is unaffected
  4. 11. one organism eats another
  5. 13. introduction of harmful materials into the environment
  6. 14. long-term pattern of weather in an area
  7. 15. (8,4)when carbon dioxide diffuses into the ocean it creates...
  8. 17. thin layer of gases around earth
  9. 18. decomposers love this, it's the way they feed
  10. 20. spider with a very interesting niche
  11. 23. factor which is a non-living part of the environment
  12. 24. (6,5)compressed animal and plant material, takes millions of years to create and just seconds to burn.
  13. 27. plants using sunlight, carbon dioxide and water to make sugar and oxygen
  14. 29. rock which makes up the earth
  15. 31. both organisms benefit from the interaction
  16. 32. measurement of genetic variation
  17. 33. (10,6)warming as a result of the sun's radiation being trapped
  18. 34. one organism feeds on a plant
Down
  1. 1. factor which is a living part of the environment
  2. 3. organism's way of life
  3. 4. a biochemical process that aids survival
  4. 5. a very potent greenhouse gas
  5. 6. any process that reduces the amount of carbon in the atmosphere
  6. 8. cells releasing energy from food, carbon dioxide is a waste product
  7. 10. this encompasses all living things on earth
  8. 12. combination of biotic and abiotic factors
  9. 16. one organism is harmed while the other is unaffected
  10. 19. one organism feeds on another without killing it
  11. 21. level of carbon in the atmosphere is increasing through these processes
  12. 22. community of interacting organisms and their environment
  13. 25. 7.9 billion people
  14. 26. a physical feature that aids survival
  15. 28. something an organism does to aid survival
  16. 30. guardianship