Across
- 3. this is the green pigment required for photosynthesis
- 4. these control the size of the stoma opening
- 6. this process occurs in the leaves to produce sugar
- 9. these organelles contain chlorophyll
- 10. this is the outermost layer of cells of a leaf
Down
- 1. this sugar is the final product of photosynthesis
- 2. these carry water only to the cells
- 3. this gas is needed for photosynthesis to occur
- 5. this is the waxy outer covering of the leaf
- 7. these allow the exchange of gases from outside to the air spaces within the leaves
- 8. these carry food and water to the cells