Ch 3.2-3.3 Vocab

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Across
  1. 5. Where producers pull carbon dioxide out of the environment.
  2. 7. Organisms that break down dead organisms.
  3. 9. Overgrowth of producers in a lake/ocean/etc.
  4. 11. Law of Conservation of ________. Explains why the amount of matter in the environment stays the same.
  5. 12. ________ respiration is the process by which organisms use oxygen to release chemical energy.
  6. 14. A change in state from a gas to a liquid.
  7. 15. Layers of rock and soil that hold groundwater.
  8. 16. Fresh water found underground.
Down
  1. 1. ________ cycles are where nutrients cycle through the environment.
  2. 2. When water returns from the atmosphere to the Earth's surface.
  3. 3. The release of water vapor by plants through their leaves.
  4. 4. Matter that organisms require for their life processes.
  5. 6. Primary _________ are organisms that produce their own food.
  6. 8. The conversion of a substance from a liquid to a gas.
  7. 10. ________ fixation is the conversion of nitrogen gas into ammonia.
  8. 13. Organisms that eat other organisms.