Plant Tissues Structure Determines Function. I.Overview of Names A.Meristem tissues (mitotic) 1.primary meristem (length) 2. secondary meristem (girth)

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Presentation transcript:

Plant Tissues Structure Determines Function

I.Overview of Names A.Meristem tissues (mitotic) 1.primary meristem (length) 2. secondary meristem (girth) B.Permanent tissues 1.Dermal tissues a.epidermis b.periderm 2.Vascular tissues a.xylem b.phloem 3.Ground Tissues a.parenchyma b.sclerenchyma c.collenchyma

II.Tissue Specifics A.Meristem (mitotic) 1. primary meristem a. apical b. Axillary c. Root tip

A. 2.Secondary meristem (growth in girth) a. Vascular cambium b. Cork cambium

B. Permanent tissues 1. Dermal tissues a. Epidermis cutin stomate trichomes root hairs

Trichomes

Cutin

Root Hairs

Root epidermal cells possess cutin. 1.True 2.False 3.Not sure

1. b. periderm

B.Permanent Tissues 2. vascular tissues a. Xylem -functions -structure -types

Xylem in cross section

B. Permanent Tissues 2. vascular tissues b.phloem -structure -function

Phloem in cross section

B.Permanent tissues 3.Ground Tissues a.parenchyma large thin-walled cells large central vacuole become specialized for different functions depending on internal organelles

Ranunculus root

3.Ground Tissues b.collenchyma

3.Ground Tissues c.sclerenchyma