Question

differenciate between cork and epidermes cell .why they known as protective tissue?

Answer 1

these cells are the outer most layer of the plant.
epidermis are the primarily protecting tissue .
when plant becomes older epidermis is replace with a several layer of dead cell called cork cell

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Answer 2

Difference-

Epidermis- it is made up of single layer of cell.

Cork- it is made up of more than one layer of cell.

They are known as protective tissue as they protect the plants and trees from mechanical injuries and invasion by parasitic fungi.