Year 8 photosynthesis and leaves

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Across
  1. 3. the chemical that tests for sugars (two words separated by _ )
  2. 4. the tiny holes on the underside of the leaf that allow the gaseous reactants and products of photosynthesis in and out of the leaf
  3. 8. the cells that are responsible for most of the photosynthesis in the leaf (3 words separated by _ )
  4. 11. the liquid reactant for photosynthesis
  5. 12. the chemical that tests for starch
  6. 15. the source of energy for photosynthesis
  7. 16. a key adaptation of many leaves that maximises capture of sunlight for photosynthesis (three words separated by _ )
  8. 19. the green pigment that is the enzyme for photosynthesis
Down
  1. 1. the name of the cells that form most of the layer close to the surface of the leaf (two words separated by _ )
  2. 2. the layer of tissue with an open structure that allows reactants and products to & from the cells in which photosynthesis takes place (2 words separated by _ )
  3. 5. the gaseous product of photosynthesis
  4. 6. the tubes in the plant that carry water from the root system to the leaves
  5. 7. the specialised organelles in plant cells that carry out photosynthesis
  6. 8. the tubes in the plant that transport sugars and other nutrients
  7. 9. a polymer of sugars that is used as an energy store in the leaf
  8. 10. the gaseous reactant for photosynthesis (2 words separated by _ )
  9. 13. an adaptation in leaves that prevents water loss from the surface of the leaf (2 words separated by _ )
  10. 14. the product of photosynthesis that is used to provide energy to the plant
  11. 17. the specialised cells in the leaf that form the tiny holes on the underside of the leaf (two words separated by _ )
  12. 18. living things that are able to make their own food