It's a Green World
Across
- 3. Uses energy from the sun to change carbon dioxide and water into glucose and oxygen
- 5. The vascular bundles are the transport vessels, xylem and ....
- 8. there are - limiting factors that control the rate of photosynthesis
- 10. a limiting factor; if this is too high, the plant's enzymes will be denatured
- 12. a limiting factor; one of the raw materials needed for photosynthesis
- 13. the net movement of water molecules across a partially permeable membrane from a region of higher water concentration to a region of lower water concentration
- 14. transpiration is caused by ... and diffusion of water vapour from inside the leaves
- 15. only very small particles can diffuse through this
Down
- 1. the upper epidermis is ... so that light can pass through it to the palisade layer
- 2. transpiration rate is increased by four main things; temperature, air movement, air humidity and ...
- 4. the contents of the cell push against the inelastic cell wall, this is called .... this helps support the plant tissues
- 6. a limiting factor; provides the energy needed for photosynthesis
- 7. leaves usually have a ... covering the upper epidermis. This helps make the upper surface of the leaf waterproof
- 9. the cells that contain the most chloroplasts are arranged in the ... near the top of the leaf where they can get the most light
- 11. plants exchange gases by -