Year 8 photosynthesis

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Across
  1. 3. plants compete for water, space, light and what other factor
  2. 5. name the green pigment in plants
  3. 7. this is where photosynthesis occurs inside the cell
  4. 9. this is where gas exchange occur in plant leaves
  5. 11. this gas is made in photosynthesis
  6. 12. this large structure in plant cells stores sap
Down
  1. 1. these cells regulate the opening and closing of the stomata
  2. 2. carbon dioxide and light are two limiting factors, what is the third
  3. 4. this sugar is made in photosynthesis
  4. 6. this is the name of the vessel that carries water in plants
  5. 7. the gas used in photosynthesis
  6. 8. what energy drives photosynthesis
  7. 10. this substance is used to test for starch