ECOLOGY

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Across
  1. 2. A relationship in which one organism lives on or feeds on another
  2. 4. Level of organization where both biotic and abiotic factors may be found
  3. 5. Dead plants or animals, along with waste, are being recycled back into the environment
  4. 8. A relationship in which one organism hunts and eats another
  5. 9. Two organisms learn a new behavior in response to each other's changes
  6. 14. A relationship between two organisms who are fighting for the same resources
  7. 15. The maximum amount of organisms an environment can sustain
  8. 17. Something that would prevent a population from growing- ex:) Food, water, shelter, etc.
  9. 18. The organisms responsible for nitrogen fixation
  10. 20. Organisms of DIFFERENT species living in the same area
  11. 23. Brand new land, nothing has ever grown there before
  12. 25. Changes that happen in an area that already had life, but abiotic factors changed
  13. 26. Organisms who can make their own energy
  14. 27. The process of taking nitrogen gas and converting it into a usable form for consumers
  15. 29. First organisms to grow in an area
  16. 31. A stable environment that is the result of complete succession
  17. 32. A group of organisms of the SAME species living in an area
  18. 33. An organism that has to eat in order to get energy
  19. 35. A relationship between two organisms where both benefit
Down
  1. 1. When a group of animals leave one place and go to another in search for resources
  2. 2. Rain, hail, snow, etc.
  3. 3. A map that shows just ONE way energy flows through an ecosystem
  4. 6. Process of the carbon cycle where plants take carbon dioxide from the atmosphere
  5. 7. Water loss in plants
  6. 10. The study of living organisms, their relationships with the environment, and their relationships with each other
  7. 11. Factors in an environment that are NOT living
  8. 12. Water moving into the atmosphere from rivers, lakes, and oceans
  9. 13. Burning of fossil fuels, releasing carbon dioxide into the atmosphere
  10. 15. Step of the carbon cycle where plants and animals are releasing carbon dioxide back into the atmosphere
  11. 16. Organisms that eat producers
  12. 19. Living organisms in an environment
  13. 21. A map that shows MANY/ALL of the different ways energy flows through an ecosystem
  14. 22. Includes all biomes where living things are found
  15. 24. The amount of different organisms in an area that allows a community to handle changes
  16. 25. Organisms that eat primary consumers
  17. 28. A relationship where one organism benefits and the other is neither benefited nor harmed
  18. 30. An organism that eats both plants and animals
  19. 31. Formation of clouds
  20. 34. Organisms that would be found on the bottom of a food pyramid