1. The dermal layer of the plant is known as epidermis which is outermost thin layer of plants where stomata are found.
2. The dermal layer is like epidermis in human skin which is also a outermost layer and provides a waterproof barrier .
3. The waxy barrier in the epidermis of plant leaf is called the cuticle act as a protective layer and prevent water loss.
4. Stomata are the tiny pores present on the surface of leaves that control the exchange of gases (CO2 and O2) and regulate water loss by opening and closing.
5. The main function of dermal layer (epidermis) is to protect the soft tissues of plants and regulate its interaction with surrounding. Dermal layer act as outermost layer and protect plant leaf and also secret the cuticle that inhibits water loss.
The pitch of a sound is how high or low a sound is when we hear it, whereas the intensity of a sound is the energy/vibrancy of the sound over an area and depends on the frequency of the sound as well.