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PLANT CELLS and TISSUES

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Presentation on theme: "PLANT CELLS and TISSUES"— Presentation transcript:

1 PLANT CELLS and TISSUES

2 PLANT CELLS

3 PLANT TISSUES CELLS that work with other cells for a COMMON FUNCTION form TISSUES

4 MERISTEMATIC TISSUES APICAL – growth in length

5 MERISTEMATIC TISSUES LATERAL – growth in width or girth

6 MERISTEMATIC TISSUES INTERCALARY – growth from the base of nodes

7 MERISTEMATIC TISSUES Undifferentiated cells undergoing ACTIVE GROWTH

8 PERMANENT TISSUES SIMPLE – contain only one type of cell Collenchyma
Parenchyma Collenchyma Sclerenchyma

9 PERMANENT TISSUES - Simple
Parenchyma Collenchyma Sclerenchyma Fibers Sclereids

10 PERMANENT TISSUES COMPLEX – two or more different types of cells
VASCULAR tissues XYLEM – conducts WATER PHLOEM – conducts FOOD DERMAL tissues EPIDERMIS – single cell layer CORK & CORK CAMBIUM Meristem and outer bark of woody plants

11 PERMANENT TISSUES - Complex
VASCULAR tissues PHLOEM – conducts FOOD Sieve tubes Companion cells XYLEM – conducts WATER Vessels Tracheids

12 PERMANENT TISSUES - Complex
DERMAL tissues EPIDERMIS Cuticle Guard cells and stomata Trichomes

13 PERMANENT TISSUES - Complex
DERMAL tissues CORK & CORK CAMBIUM Meristem and outer bark of woody plants

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