1. Transport in Plants
Chapter 14

2. Transport in Plants
Plants need to carry water and minerals from the roots to the leaves.
Plants need to carry food from the leaves (photosynthesis) all around the plant.

3. Transport in Plants

4. Transpiration
Transpiration is the loss of water vapour from the leaves of a plant.
The Transpiration stream is the flow of water from roots to stem to leaves.

5. Transport in Plants

6. Functions of Transpiration
To carry water to leaves. Why?
To carry minerals up from roots.
To cool the plant by evaporation.

7. Stomata
Water is lost in the leaf through the stomata on the underside of the leaf.

8. Xylem
Water and minerals are carried up the plant in vessels called xylem.

9. Phloem
Food and nutrients are carried throughout the plant in vessels called phloem.

10. Absorption of Water by Roots

11. To Show the Movement of Water in Plants

12. To Demonstrate Transpiration