Respuesta :
Peridermis: It forms the outer bark of roots and stems of a certain age (generally greater than one year). Formed by several layers of dead cells, the most superficial form the suber or cork, with thick walls and full of air.
Peridermis: It forms the outer bark of roots and stems of a certain age (generally greater than one year). Formed by several layers of dead cells, the most superficial form the suber or cork, with thick walls and full of air.