Chapter 2 – Plant Structures and Functions Plant Transport Systems

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Presentation transcript:

Chapter 2 – Plant Structures and Functions Plant Transport Systems Lesson 2 – Plant Transport Systems

How do different materials move in plants? Roots xylem: moves water and minerals up from roots to the stem phloem: carries sugar from leaves down the stem and into roots

How do different materials move in plants? Roots taproots: thick; grow deep (carrots, beets) fibrous roots: thin (grass) prop roots: finger-like (corn)

What is the transport system made of? Xylem and phloem continue up from the roots all the way through the stem. cambium: layer in stem where new xylem and phloem are made.

Tree Rings Bark (protective outer layer) phloem xylem

Tree Rings A ring of xylem grows every year, so you can count the rings to determine the age of the tree.

All images courtesy of Microsoft Office Online.