B - Plant Tissue Flashcards
-specialized cell with specific function
-composed of fully matured cells that do not divide
Permanent Tissue
___ = only one kind of cell
___ = two or more kinds of cells
Simple, Complex
Types of Simple Permanent Tissue:
● outer protective layer
● covers the whole body of non woody and young woody plants and is protected by a waxy cuticle
Epidermal Tissue
Types of Epidermal Cells:
-mostly found on the lower part (underside) of the leaves
-it has specialized cells called ______ cells, specialized cells that regulate the opening and closing of the _____.
Guard Cells
Stomata
Types of Epidermal Cells:
-extensions of the cell wall
-function: increase absorption area
-in leaves and stems, the epidermis has tiny outgrowths called ______, hair like outgrowths that prevents water loss and reflect excess light
Root Hair
Trichomes
Types of Simple Permanent Tissue:
-forms most of the plant body
-considered as fillers of plants ad form the bulk of plants
Ground Tissue
ground tissues found on the exterior of vascular tissue
Cortex
ground tissue found at the center of the stem
Pith
Types of Ground Tissues:
-thin cell walls
-large vacuoles
-loosely packed (intercellular spaces)
-responsible for synthesis and storage of plant food
Parenchyma
Types of Ground Tissues:
-cell walls are thickened in corners
-cell wall contains cellulose
-usually found in young stems
-function: strengthening and support of young plats
Collenchyma