Photosynthesis

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Across
  1. 1. materials made from living cells and tissue
  2. 3. the gas needed for photosynthesis
  3. 5. this underground tissue absorbs water and nutrients from the soil
  4. 6. the surface has a material which protects it from drying out
  5. 7. the waste product from photosynthesis we breathe
  6. 8. the 'upper' and 'lower' skin of a leaf which protects it
  7. 12. this area inside the leaf has a lot of air in it and does little photosynthesis
  8. 13. one of the requirements for photosynthesis, its wet
  9. 14. long hollow tubes which carry water and minerals through the body of the plant
Down
  1. 2. a hole in the leaf which allow gas to pass through
  2. 4. a green pigment in chloroplasts used for photosynthesis
  3. 5. special cells which increase the surface area of the root
  4. 9. this word means "light"
  5. 10. plants make this and animals eat it for energy
  6. 11. these tubes carry water to the cells of the leaf