In angiosperms, what is the name of the outer epidermal layer that protects the plant body?

vascular tissue

dermal tissue

ground tissue

The correct answer is the dermal tissue.

Explanation:

The epidermis or the dermal tissue system refers to the external defensive layer of the primary parts of the plant body, that is, the leaves, roots, fruits, flowers, and seeds. The epidermis is generally comprises a layer formed of one cell, and its cells are devoid of chloroplasts.  

As a variation to a terrestrial habitat, the epidermis has developed some of the characteristics, which monitor the loss of carbon dioxide, water, and oxygen. The waxes and the cutin are the fatty components that get accumulated in the epidermal cells walls, producing a waterproof layer known as the cuticle. The waxes and the cuticle reduce the rate of transpiration from the plant surfaces.  

the answer is d. chordata