Human Ecology

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