Session 3 Notes I.a. refers to the internal structures I.b. refers to the external appearance II....

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Session 3 Notes I.a. refers to the internal structures I.b. refers to the external appearance II. Primary Growth a. up and down i. apical meristem

Transcript of Session 3 Notes I.a. refers to the internal structures I.b. refers to the external appearance II....

Page 1: Session 3 Notes I.a. refers to the internal structures I.b. refers to the external appearance II. Primary Growth a. up and down i. apical meristem.

Session 3 Notes

I.a. refers to the internal structures

I.b. refers to the external

appearance

II. Primary Growth

a. up and down

i. apical meristem

Page 2: Session 3 Notes I.a. refers to the internal structures I.b. refers to the external appearance II. Primary Growth a. up and down i. apical meristem.

PRIMARY GROWTH

Page 3: Session 3 Notes I.a. refers to the internal structures I.b. refers to the external appearance II. Primary Growth a. up and down i. apical meristem.

Main Functions of a leaves

1.Photosynthesis

2.Water Evaporation

3.Gas Exchange

4.Storage – ex. Spinach (yum…)

Stem

Petiole

Blade

Page 4: Session 3 Notes I.a. refers to the internal structures I.b. refers to the external appearance II. Primary Growth a. up and down i. apical meristem.

LEAVES - Morphology

Page 5: Session 3 Notes I.a. refers to the internal structures I.b. refers to the external appearance II. Primary Growth a. up and down i. apical meristem.

LEAVES - Anatomy

Page 6: Session 3 Notes I.a. refers to the internal structures I.b. refers to the external appearance II. Primary Growth a. up and down i. apical meristem.

Top of Leaf

Cuticle

Epidermis

Bottom of LeafGuard Cell

Parenchyma

Stoma

Vein

1. Cuticle

2. Parenchyma

3. Stoma

4. Guard Cells

5. Vascular Bundle (Vein)

Page 7: Session 3 Notes I.a. refers to the internal structures I.b. refers to the external appearance II. Primary Growth a. up and down i. apical meristem.

Main Functions of a stems

1.Support

2.Photosynthesis

3.Helps Transport water and nutrients

4.Storage – ex. Asparagus (yum…)

Axillary Bulb

Node

Leaf Primordia

Apical Meristem Region

1. Apical Meristem

2. Axilary Bud

Page 8: Session 3 Notes I.a. refers to the internal structures I.b. refers to the external appearance II. Primary Growth a. up and down i. apical meristem.

STEMS - morphology

Page 9: Session 3 Notes I.a. refers to the internal structures I.b. refers to the external appearance II. Primary Growth a. up and down i. apical meristem.

STEMS - Anatomy

Page 10: Session 3 Notes I.a. refers to the internal structures I.b. refers to the external appearance II. Primary Growth a. up and down i. apical meristem.

Epidermis

Cortex (parenchyma)

Phloem

Pith (parenchym

a)

Vascular Bundles

Xylem

1. Xylem

2. Phloem

Page 11: Session 3 Notes I.a. refers to the internal structures I.b. refers to the external appearance II. Primary Growth a. up and down i. apical meristem.

Main Functions of a root

1.Below ground support (anchor)

2.Absorption of water and minerals from soil

3.Helps Transport water and nutrients through xylem

4.Storage – ex. Carrots are roots and store sugar making them sweet (yum…)

Page 12: Session 3 Notes I.a. refers to the internal structures I.b. refers to the external appearance II. Primary Growth a. up and down i. apical meristem.

ROOTS - Morphology

Page 13: Session 3 Notes I.a. refers to the internal structures I.b. refers to the external appearance II. Primary Growth a. up and down i. apical meristem.

ROOTS - Anatomy

Page 14: Session 3 Notes I.a. refers to the internal structures I.b. refers to the external appearance II. Primary Growth a. up and down i. apical meristem.
Page 15: Session 3 Notes I.a. refers to the internal structures I.b. refers to the external appearance II. Primary Growth a. up and down i. apical meristem.

II. Secondary Growth

a.Increase in Girth (thickness)

i.1. Apical Meristem

b. Lateral Meristem

i. Vascular Cambium

Page 16: Session 3 Notes I.a. refers to the internal structures I.b. refers to the external appearance II. Primary Growth a. up and down i. apical meristem.
Page 17: Session 3 Notes I.a. refers to the internal structures I.b. refers to the external appearance II. Primary Growth a. up and down i. apical meristem.

WOOD

Page 18: Session 3 Notes I.a. refers to the internal structures I.b. refers to the external appearance II. Primary Growth a. up and down i. apical meristem.

WOODvi. In Trees:

1. Wood

2. Bark