Across
- 4. Transports assimilates up and down the plant
- 8. Cells in the xylem+phloem that store food and substances e.g. resin
- 9. A tough substance which thickens the xylem vessels
- 10. Contains plenty of chlorophyll and parenchyma cells
- 12. Undifferentiated tissue in a plant
- 13. A conglomerate of xylem, phloem and cambium
Down
- 1. Source of meristem cells in the vascular bundle
- 2. The thin, protective outer layer of a plant
- 3. Have a large surface area for water and mineral uptake
- 5. Many air spaces for gas exchange
- 6. Carries dissolved minerals and water up the plant
- 7. Cells found in the phloem that provide metabolic support
- 11. Openings inside the secondary cell wall of xylem tissues
