BiologyCode 9700

Structure of transport tissues

What this topic asks you to be able to do

  • draw plan diagrams showing transverse sections cut from herbaceous dicotyledonous plants' stems, roots and leaves, working from microscope slides and photomicrographs
  • describe where xylem and phloem are found in transverse sections of the stem, root and leaf of a herbaceous dicotyledonous plant
  • draw and label companion cells, phloem sieve tube elements and xylem vessel elements as seen in electron micrographs, photomicrographs and microscope slides
  • relate what companion cells, phloem sieve tube elements and xylem vessel elements do to the way each is built