Ecology Crossword

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Across
  1. 2. large group of ecosystems that shares the same type of climax community
  2. 4. Anything that limits an organism’s ability to live in a particular environment
  3. 5. a stable community formed after primary or secondary succession once little or no change occurs
  4. 7. Water is constantly moving between the atmosphere & Earth.
  5. 8. make their own food
  6. 11. The atmosphere is the main reservoir of nitrogen; it also cycles through the soil and tissues of living organisms.
  7. 12. An area where an organism lives
  8. 14. one organism benefits and the other is neither helped nor harmed
  9. 16. Phosphorus in biosphere cycles among the land, ocean sediments and living organisms
  10. 17. break down wastes organic matter (dead organisms) and return them to the ecosystem
  11. 18. Autotrophs that capture chemical energy since they live in places without sunlight
  12. 19. Process used by autotrophs to make food energy from the sun
  13. 21. All the living organisms in an environment
  14. 22. organisms that are eaten
  15. 23. Study of the interactions among organisms and between organisms and their environment
  16. 25. The ability of living things to survive the changes in their environment.
  17. 26. Organisms that rely on other organisms for their energy and food supply
  18. 27. one organism lives on or in organism and harms it
  19. 29. Models that show all possible feeding relationships at each trophic level in a community
  20. 30. Diagram that shows amounts of energy or matter at each trophic level
  21. 31. organisms that seek out and eat other organisms
  22. 32. All strategies and adaptations a species uses in its environment
Down
  1. 1. both species benefit from relationship
  2. 2. Elements, compounds, and other forms of matter are passed from one organism to another and from one part of the biosphere to another
  3. 3. The process of gradual, natural, change and species replacement that takes place in the communities of an ecosystem over time.
  4. 6. Organisms that use sunlight or energy stored in chemical compounds to make food
  5. 9. cycle of carbon in the environment
  6. 10. Made up of populations of organisms that live in a common area
  7. 13. The non-living parts of the environment
  8. 15. Any relationship in which two species live closely together
  9. 19. Organisms that make their own food
  10. 20. consumes other organisms for energy
  11. 24. is the main energy source for life on Earth.
  12. 28. show how matter and energy move through ecosystem in a series of steps