6 Your school prefect has delegated you to address a meeting of the School's
Parent Teacher Association (PT. A) on three issues that students consider
as of crucial importance. Write the speech that you will deliver at the
P. T.A. meeting

Ivan is looking at a cross section of a stem taken from a vascular plant. he sees two different types of vascular tissue: the xylem, which is closer to the center of the stem, and the phloem, located around the xylem, closer to the outside of the stem. how do these two structures work together in a living plant?