Ecology Review Test Crossword

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Across
  1. 1. States that energy is neither created nor destroyed under normal conditions.
  2. 3. Fungus or bacteria that breaks organic material into smaller molecules.
  3. 6. A symbiotic relationship between individuals of two different species in which both species benefit
  4. 7. Organism that eats both plants and animals.
  5. 10. Energy contained in moving objects.
  6. 11. A symbiotic relationship in which one member is benefited and the second is neither harmed nor benefited.
  7. 12. Organisms that consume organic litter.
  8. 16. A system in stable balance.
  9. 17. Extracting energy for life from inorganic chemicals, such as hydrogen sulfide.
  10. 21. A measure of disorder and usefulness of energy in a system.
  11. 24. A relationship in which one organism feeds on another without immediately killing it.
  12. 27. Stored energy that is latent but available for use.
  13. 31. The capacity to do work, such as moving matter over a distance.
  14. 32. States that, with each successive energy transfer or transformation in a system, less energy is available to do work.
  15. 33. The accumulated biological material produced by living organisms.
  16. 34. The flow of energy and/or matter into and out of a system.
Down
  1. 2. A complex, interlocking series of individual food chains in an ecosystem.
  2. 4. Organisms that consume carrion, or organisms not killed by the carnivore.
  3. 5. The biochemical process by which green plants and some bacteria capture light energy and use it to produce chemical bonds (sugars)
  4. 8. The process in which a cell breaks down sugar or other organic compounds to release energy.
  5. 9. The amount of biomass (biological material) produced in a given area during a given period of time.
  6. 11. Organism that obtains energy and nutrients by feeding on other organisms or their remains.
  7. 13. A signal or factor that tends to decrease a process.
  8. 14. A signal or factor that tends to increase a process or component.
  9. 15. Step in the movement of energy through an ecosystem; an organism’s feeding status in an ecosystem.
  10. 18. All the organisms genetically similar enough to breed and produce live, fertile offspring in nature.
  11. 19. Systems in which there is no exchange of energy or matter with its surroundings.
  12. 20. Photosynthesizing organisms.
  13. 22. Systems that exchange energy and matter with its environment.
  14. 23. The intimate living together of members of two species
  15. 25. Organism that only eat plants.
  16. 26. The populations of plants, animals, and microorganisms living and interacting in a certain area at a given time.
  17. 28. Organism that mainly prey upon animals.
  18. 29. Organisms that synthesize food molecules from inorganic compounds by using an external energy source.
  19. 30. Network of interdependent components and processes.