Plant Kingdom

1
Plant Kingdom

• Vascular Plants
• Structure and Function

2
Parts of a Plant

• Roots
• Leaves
• Stems

3
Parts of a Plant
4
Roots

• Function
• Anchor the plant to the ground
• Absorb water
• Absorb minerals
• Store food for future use
• Store water

5
Plant Root
6
Diagram of a Root
7
Kinds of Roots
8
Stems

• Function
• Hold up the leaves
• Transport food down to root
• Transport water up to leaves
• Green (herbaceous) stems make food
• Some store food (broccoli)
• Some store water (cactus)

9
Part of Roots, Stems, and Leaves and their
Functions

• Epidermis protects plants
• Xylem transports water
• Phloem transports

10
Kinds of Stems

• Herbaceous

• Woody

11
Stems

• Herbaceous stem

• Cross-section

12
Woody Stem

• Cross-section

• Redwood tree

13
Leaves

• Function
• Make food (Photosynthesis)
• Release carbon dioxide
• Release water
• Control water loss

14
Diagram of a Leaf
15
Diagram of a Leaf
16
Diagram of a leaf
17
Parts of a leaf and their functions

• Cuticle clear and protects against water loss
• Palisade layer makes food (photosynthesis)
• Spongy layer absorbs carbon dioxide
• Stomata openings on bottom of leaf to control
  water loss
• Guard cells open and close stomata