Across
- 2. conducts dissolved food materials produced by photosynthesis.
- 3. chief conducting tissue of water and minerals.
- 6. thick, tough secondary walls impregnated with lignin
- 7. component of the waxy outer coating of aquatic plant leaves
- 9. provide flexible support for growing and mature plant organs. extra primary wall in the corners.
- 10. Tissue only meant for growth
Down
- 1. cells Certain cells associated with sieve tube
- 4. outermost layer of cells
- 5. most abundant of the cell types found in the major parts of higher plants.
- 8. tubes with pits rather than openings at the ends.