Energy in Ecosystems

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Across
  1. 3. Water falls as rain, snow, or hail
  2. 5. An organism that creates its own energy
  3. 6. Water changes from liquid to gas
  4. 7. The molecule that humans breathe out
  5. 11. An organism that gets its energy from eating other organisms
  6. 12. Water soaks into the ground
  7. 13. The element that humans breathe in
  8. 14. The process where plants make energy from the sun
  9. 17. Water that does not soak into the ground flows over the Earth’s surface to another body of wate
Down
  1. 1. We have a _________ amount of molecules on Earth, so we preserve them through cycles
  2. 2. An organism that eats only plants
  3. 4. An organism that breaks down other dead organisms and returns their matter to the environment
  4. 7. An organism that eats only other animals
  5. 8. An organism that eats both plants and animals
  6. 9. Water changes from gas to liquid
  7. 10. Exists in all living things, graphite, diamonds
  8. 15. Powers the water cycle
  9. 16. Essential for making proteins and DNA, but needs to be "fixed" before it can be used