Xylem and phloem

Xylem vessels are cells that have become adapted for conduction and support.

Which two adaptations assist them in these functions?

In an experiment to investigate the transport of water, the roots of a plant are placed in water

coloured with a dye.

The diagrams show sections of the leaf, stem and root.

Which numbered parts will become stained by the dye as the water is initially absorbed?

Which substances are transported in xylem and phloem?