Leaf - Stomata

1
Leaf - Stomata
Guard cells
Stoma

• Gaseous exchange
• Transpiration

2
Why are there more stomata on the underside of
the leaf?
Why are leaves usually green and thin?
3
Transport in Plants

• Root
• absorbs water and dissolved mineral nutrients
• anchors the plant in place
• stores excess sugars

4
Transport in Plants
Roots - root hairs
Root hair - increase surface area for
absorption of water and dissolved mineral
salts
5
Transport in Plants

• Shoot / Stem
• Two types of tubes
• Tubes that transport water and dissolved
  minerals from roots to other plant parts
• Tubes that transport food/sugar from leaves to
  other plants parts
• provides support for the leaves and branches

6
Transport in Plants
Stem - tubes
Two types of tubes
7
The End
8
A short movie on how plants make their own
food. http//www.brainpop.com/science/plantsandan
imals/photosynthesis/
9
Transport in Plants

• Root system
• absorbs water and dissolved mineral nutrients
• anchors the plant in place
• stores excess sugars

• Shoot / Stem system
• transport water and dissolved minerals
• transport sugar
• provides support for the leaves and branches

10
Flower
Responsible for reproduction