List the components of the vascular system and

describe the role of each.

S7-3-2

Overview

PlantsMulticellular

Autotrophs

3 main parts are roots, stems, & leaves

What is the vascular system?

System of tubes used to transport substances throughout the plantMost plants have a vascular systemAllows a plant to grow largeTwo types:

Phloem (pronounced “flome”)Xylem (pronounced “zylum”)

Two types of vascular tissue

PhloemCarries foodMoves food from the top of the plant to the bottom

Does this because food is made in the leaves and usually stored in the roots

XylemCarries waterMoves water from the bottom of the plant to the top

Does this because water is brought in through the roots and used by the leaves to make food