AP BIOLOGY

Detailed explanation-1: -The dermal tissue is largely composed of squat more or less cubic dermal cells, but it also contains specialist guard cells around the stomata, and various trichomes and root hairs.

Detailed explanation-2: -Dermal tissue may include hairs or trichomes, which have many different forms and functions. The dense white hairs covering the desert Kalanchoe (left) may reflect solar radiation, reduce water loss from wind, and protect the plant from herbivores.

Detailed explanation-3: -The dermis is a connective tissue layer sandwiched between the epidermis and subcutaneous tissue. The dermis is a fibrous structure composed of collagen, elastic tissue, and other extracellular components that includes vasculature, nerve endings, hair follicles, and glands.

Detailed explanation-4: -It differentiates into three main types of tissues – dermal, vascular, and ground tissue.

Detailed explanation-5: -Dermal Tissue 1). It is composed of a single layer of epidermis cells. It may contains stomata and guard cells that allow gas exchange. It may contain root hairs that increase surface area or or trichomes used in transpiration or defense.