Energy and Matter Cycles

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Across
  1. 2. Gas used by plants and animals for energy processes.
  2. 4. Organisms that eat other animals.
  3. 7. Matter cycles between organisms and the environment.
  4. 10. Energy stored in the bonds of sugar molecules.
  5. 13. Multiple interconnected food chains.
  6. 14. Plant sugar produced in photosynthesis.
  7. 18. Organisms that consume other organisms for energy.
  8. 20. Process plants use to make food from sunlight.
  9. 22. Breaks down dead organisms and returns nutrients to soil.
  10. 23. Organisms that make their own food using sunlight
  11. 24. Organisms that eat both plants and animals.
  12. 25. Energy stored in food molecules is released here.
Down
  1. 1. Process where nitrogen moves from the air into soil and organisms.
  2. 3. Water moves through organisms and the environment in this cycle.
  3. 5. Tiny particles that make up all matter.
  4. 6. Organisms that eat plants.
  5. 8. Green organelle where photosynthesis occurs.
  6. 9. Energy moves from the sun to plants to animals.
  7. 11. Organisms that cannot make their own food
  8. 12. The process of breaking down sugar to release energy.
  9. 15. Organisms that return matter to the soil after death.
  10. 16. A chain showing who eats whom in an ecosystem.
  11. 17. Element in sugars, proteins, and DNA, cycles through organisms.
  12. 19. Organisms that produce their own energy from sunlight.
  13. 21. Gas released by plants during photosynthesis.