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