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Week 4 Lab: Morphology Leaves, Stems, Roots Nodes, Internodes

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Presentation on theme: "Week 4 Lab: Morphology Leaves, Stems, Roots Nodes, Internodes"— Presentation transcript:

1 Week 4 Lab: Morphology Leaves, Stems, Roots Nodes, Internodes
Shoot Apical Meristem Apical initials Lead primordia Root Apical Meristem Root Cap Dichotomous branching Lateral Buds Anatomy Tissue types Dermal Ground Vascular Stems Leaves Roots Secondary Growth

2 Week 4 Lab: Morphology Leaves, Stems, Roots Nodes, Internodes
Shoot Apical Meristem Apical initials Lead primordia Root Apical Meristem Root Cap Dichotomous branching Lateral Buds

3 Week 4 Lab: Morphology Leaves, Stems, Roots Nodes, Internodes
Shoot Apical Meristem Apical initials Lead primordia Root Apical Meristem Root Cap Dichotomous branching Lateral Buds

4 Week 4 Lab: Morphology Leaves, Stems, Roots Nodes, Internodes
Shoot Apical Meristem Apical initials Lead primordia Root Apical Meristem Root Cap Dichotomous branching Lateral Buds

5 Week 4 Lab: Morphology Leaves, Stems, Roots Nodes, Internodes
Shoot Apical Meristem Apical initials Lead primordia Root Apical Meristem Root Cap Dichotomous branching Lateral Buds

6 Week 4 Lab: Morphology Leaves, Stems, Roots Nodes, Internodes
Shoot Apical Meristem Apical initials Lead primordia Root Apical Meristem Root Cap Dichotomous branching Lateral Buds

7 Week 4 Lab: Morphology Leaves, Stems, Roots Nodes, Internodes
Shoot Apical Meristem Apical initials Lead primordia Root Apical Meristem Root Cap Dichotomous branching Lateral Buds

8 Week 4 Lab: Morphology Leaves, Stems, Roots Nodes, Internodes
Shoot Apical Meristem Apical initials Lead primordia Root Apical Meristem Root Cap Dichotomous branching Lateral Buds

9 Week 4 Lab: Morphology Leaves, Stems, Roots Nodes, Internodes
Shoot Apical Meristem Apical initials Lead primordia Root Apical Meristem Root Cap Dichotomous branching Lateral Buds

10 Week 4 Lab: Anatomy Tissue types Dermal Ground Vascular Stems Leaves
Roots Secondary Growth

11 Week 4 Lab: Can you find these three tissue types in all of the organs you look at? Anatomy Tissue types Dermal Ground Vascular Stems Leaves Roots Secondary Growth

12 Week 4 Lab: Anatomy Tissue types Dermal Ground Vascular Stems Leaves
Roots Secondary Growth

13 Week 4 Lab: Anatomy Tissue types Dermal Ground Vascular Stems Leaves
Roots Secondary Growth

14 Week 4 Lab: Anatomy Tissue types Dermal Ground Vascular Stems Leaves
Roots Secondary Growth Xylem = conducts water up a stem, THICK cell walls Phloem = conducts photosynthetic products, thin cell walls

15 Week 4 Lab: Anatomy Tissue types Dermal Ground Vascular Stems Leaves
Roots Secondary Growth Xylem = conducts water up a stem, THICK cell walls Tracheids – conduction AND mechanical support Vessel Elements – conduction only. Often with fibers (support).

16 Week 4 Lab: Anatomy Tissue types Dermal Ground Vascular Stems Leaves
Roots Secondary Growth Phloem = conducts photosynthetic products, thin cell walls Sieve Tube Members = conduct photosynthates. NO NUCLEUS! Companion Cells = “metabolic backpacks” for STMs

17 Week 4 Lab: Anatomy Tissue types Dermal Ground Vascular Stems Leaves
Roots Secondary Growth Epidermis Parenchyma Cortex Pith Vascular Bundle Xylem Phloem

18 Week 4 Lab: Anatomy Tissue types Dermal Ground Vascular Stems Leaves
Roots Secondary Growth Epidermis (cuticle, stomata) Parenchyma Mesophyll (spongy, pallisade) Vascular Bundle Xylem Phloem

19 Week 4 Lab: Anatomy Tissue types Dermal Ground Vascular Stems Leaves
Roots Secondary Growth Epidermis (root hairs) Parenchyma (starch storage) Cortex Endodermis (Casparian Strip) Vascular Bundle Xylem Phloem

20 Week 4 Lab: Anatomy Tissue types Dermal Ground Vascular Stems Leaves
Roots Secondary Growth Vascular Cambium Parenchyma Rays Vascular Rings Xylem (inner) Phloem (outer)

21 Week 4 Lab: Anatomy Tissue types Dermal Ground Vascular Stems Leaves
Roots Secondary Growth Vascular Cambium Parenchyma Rays Vascular Rings Xylem (inner) Phloem (outer)

22 Week 4 Lab: Anatomy Tissue types Dermal Ground Vascular Stems Leaves
Roots Secondary Growth Vascular Cambium Parenchyma Rays Vascular Rings Xylem (inner) Phloem (outer)

23 Week 4 Lab: Anatomy Tissue types Dermal Ground Vascular Stems Leaves
Roots Secondary Growth Vascular Cambium Parenchyma Rays Vascular Rings Xylem (inner) Phloem (outer)

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