Across
- 5. Outer layer of a root stele (10)
- 9. Apparatus that measures the rate of transpiration in plants (9)
- 10. The movement of plant assimilates through phloem sap from source to sink (13)
- 11. Name of strip of suberin in the outer layer of a root stele (9)
- 12. Route where point of ion control is at the cell membrane of root hair cells (8)
Down
- 1. Protein that facilitates the diffusion of hydrogen ions into companion cells (13)
- 2. Sucrose moves from companion cells into sieve tube elements through _____________ (13)
- 3. cells that change shape to open and close stomata (5)
- 4. Xylem cell walls are strengthened with _____ (6)
- 6. Pressure gradient that ensures mass flow of phloem sap from source to sink (11)
- 7. Packing cells that make up the cortex of roots and stems (10)
- 8. Evaporation of water from stomata of leaves (13)
- 11. Vascular _______ - meristematic cells that can differentiate into both xylem and phloem tissue (7)