Question

explain epidermis and cork

Answer 1

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The epidermis is permeable in nature, it is used as a protection against water loss and gas exchange and also helps in absorbing mineral and water. Thecork, on the other hand, is a waterproof protective layer which can be found on the cork trees and consists of dead cells and this is impermeable in nature.

Answer 2

epidermis - it usually present in the outermost layer of the plant body such as leaves, flowers stem and roots it made up of epidermal cells which is covered with cuticle. cuticle is a water proof layer of a waxy substances called cutine.
Cork-as plant grow older the outer protective tissue undergoes certain changes and forms cork cambium by replacing epidermis stem