Energy

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Across
  1. 2. make its own food for energy.
  2. 3. What is needed to do work
  3. 5. eating plants or animals.
  4. 6. cause change.
  5. 7. An organism that uses sunlight
Down
  1. 1. An organism that gets energy
  2. 4. web An interconnected set of food chains
  3. 8. To die