MRS C GREN crossword puzzle

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Across
  1. 3. Intake of energy and raw material
  2. 5. Getting rid of waste
  3. 6. made up of cells
  4. 8. Release of energy from food
Down
  1. 1. Respond to stimuli
  2. 2. Getting bigger/ development from egg to adult
  3. 4. Producing offspring
  4. 7. Change in position