MRS GREN

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Across
  1. 4. provides living things with energy
  2. 6. producing more of the same kind
  3. 7. detecting and responding to changes
Down
  1. 1. removing urea or CO2 from your body
  2. 2. taking in nutrients
  3. 3. what plants do to face the sunlight
  4. 5. increasing in size by time