Photosynthesis

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Across
  1. 2. leaf layer with air spaces
  2. 3. holes that allows gases in and out
  3. 4. layer transparent layer to allow in sunlight
  4. 5. prevents pests
  5. 6. connects the leaf to the stem
  6. 8. cells packed with chloroplasts
Down
  1. 1. how plants produce their food
  2. 7. specialised cells controlling gas exchange