miércoles, 7 de julio de 2010

VEGETABLE CELLS AND TISSUES

LCDA. DIANA MONTERO JULY 7TH /2010

SCIENCE EXERCISE FOR 9 A / B


1.- COMPLETE THE SENTENCES WITH THE CORRECT WORD BELOW

EPIDERMIS / PERIDERM / SINGLE / CELLS / PROTECTS / COATING / CUTICLE /* WATER / DERMAL

1.- The dermal tissue system consists of the ...............and the..........

2.- The epidermis is a ..............layer of closely packed.........

3.- It both covers and ...........,, the plant. It can be thought of as the plant's "skin."

4.- Depending on the part of the plant that it covers, the ...............tissue system can be specialized to a certain extent.

5.- the epidermis of a plant's leaves secretes a .............called the ...............that helps the plant retain..................

2.- CHOOSE THE CORRECT ANSWER

1.- The periderm, also called CORK / BARK, replaces the epidermis in plants that undergo secondary growth.

2.- The periderm consists of CORK CELLS / BARK CELLS

3.- IT protects the plant from INSULATION / PATHOGENS

4.- IT prevents excessive WATER / NUTRIENTS loss and provides insulation for the plant.

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