Question

Difference between epidermis and cork of a tree

Answer 1

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EPIDERMIS

The epidermis is thin or the outer layer of the skin which is visible and provides protection to the body, this outer layer provides access to the nutrients and disposing of the waste and thickness of epidermis depends on the protection required by a specific area.


CORK CELLS

The cork cells are used to replace the epidermis and the outer layer but they are used in plants unlike epidermis, these cells are packed together, there are pores in cork cells which enable the plants to breathe and also provide protection to the plants.

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Answer 2

The epidermis is the outermost cellular layer which covers the whole plant structure, i.e. it covers roots, stem, leaves, flowers and fruit. Epidermis protects the underlying cells, prevents the loss of moisture from the leaves and stems. Epidermis allows gaseous exchange to take place which is necessary for photosynthesis and respiration. Epidermis also helps to absorb water and dissolved ions from the soil.
The cork helps to waterproof the stem and is worn off as the tree grows in thickness.