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Water movement in plants
Water movement in plants
16
Biology
Undergraduate 1
12/04/2007

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Cards

Term
Dermal Tissue System
Definition
Protects the plant from injury and water loss
Term
The Ground Tissue System
Definition
Provides Support and stores carb, usually in the form of startch
Term
The Vascular Tissue System
Definition
Conducts fluids throughout the plant
Term
Xylem Cells
Definition
Transport water and dissolve minerals from the roots to the leaves
Term
Phloem Cells
Definition
Carries sugar, made by photsynthesis, from the leaves to areas where it will be used or stored
Term
Transpiration
Definition
The process of evaportaion of water from leaves
Term
Where is the pith located?
Definition

In the middle of the stem

(Used for storage by the plant) 

Term
Where is the cortex?
Definition

Outside the vascular bundles

(Used for storage by the plant) 

Term
Where is the epidermis?
Definition
On the outer surface of the stem
Term
What are root hairs?
Definition

Tiny extensions of the epidermal cells (dermal tissue) where most of the water enters the plant

(Water passes into a vascular cylinder in the middle of the root and is carried to the stem) 

Term
If you are getting lumber to build a house what are you actually getting?
Definition
Xylem
Term
In a woody stem the pith is _____?
Definition
Ground tissue which stores waste products
Term
In a woody stem the cortex is replaced by what?
Definition
A thick corky layer which, together with phloem, forms the bark.
Term
One annual ring consists of what two types of wood?
Definition
Springwood and Summerwood
Term
On annual rings which is thicker springwood or summerwood?
Definition

Springwood appears wider and thicker

(Summerwood appears thinner) 

Term
What are xylem cells filled with?
Definition
Resins and gums
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