MRS GREN

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Across
  1. 2. how your eyes react to sudden brightness
  2. 3. the process if taking in food for energy
  3. 5. the process of getting bigger by time
  4. 6. plants reaching sunlight
Down
  1. 1. breaking down molecules to release energy
  2. 4. making more of the same organism
  3. 7. Humans exhaling carbon dioxide