Plant Organization

1
Plant Organization

• Name 2 Plant Systems

• Name 3 plant organs

• Roots
• Shoots

• Roots
• Stems
• Leaves

2
Plant Organization

• Types of Tissue

• Types of Life cycles

• Meristematic
• Dermal
• Ground enchymas
• Vascular

• Annual -1 year
• Biennials 2 year
• Perennials many years

3
Types of Growth

• Primary Growth

• Secondary Growth

• Comes first
• At the tips
• Apical meristems
• Increase length

• Comes second
• Along the sides
• Lateral meristems or
• Cambiums vascular and cork
• Increase in diameter

4
Vocabulary

• Cuticle
• Node
• Internode
• Vegetative
• Organs
• Differentiated cells
• Simple tissue

• Waxy covering of epidermis
• Point of leaf attachment
• Space between nodes
• Non reproductive parts
• Groups of tissues
• Specialized cells
• Tissues of one type of cell

5
Tissue Functions

• Xylem
• Phloem
• Sclerenchyma
• Collenchyma
• Parenchyma
• Meristematic
• Dermal
• Marginal meristem
• Basal meristem

• Vascular- water up
• Vascular food down
• Ground evenly thick cell walls
• Ground unevenly thick walls
• Ground thin walls storage
• Undifferentiated can divide
• Cover and protect
• Increase leaf surface area
• Allows grass blades to grow in length

6
Monocot or Dicot

• Flower parts in 3s
• Flower parts in 4s or 5s
• Tap root system
• Fibrous root system
• One seed leaf
• Two seed leaves
• Leaves long, narrow and parallel veined
• Leaves with branching veins
• Vascular bundles in rings
• Vascular bundles scattered

• Monocot
• Dicot
• Dicot
• Monocot
• Monocot
• Dicot
• Monocot
• Dicot
• Dicot
• Monocot