下載/瀏覽

Download Report

Transcript 下載/瀏覽

Introductory trees
Chien-Ming Li MD, Ph.D.
Plant classification
1.
2.
3.
4.
5.
6.
7.
8.
Kingdom: Plantae
Phylum
Class
Order
Family
Genus
Species
Variety
Plant Classes
1. Gymnosperms
1. Conifers
2. Naked seeds
2. Angiosperms
1. Fecus microcarpa
2. Flower
3. Seeds in an ovary
Angiosperms
Monocots
• Seed leaf: one
• Venation: parallel
• Petal: 3x
Dicots
• Seed leaf: two
• Venation: netted
• Petal number: 4X or 5X
Magic inside a seed
• Will grow to a new plant.
• Flowers  seeds
• Our food
A Tree
1.
2.
3.
4.
5.
Root
Stem: trunk, branch
Leaf
Flower
Fruit: seed
Roots and stems
Roots
• Supporting
• Absorption: water,
minerals
• Storage: food
Stems
• Supporting:
• Transportation: water
• Trees: Strong stems