Overview
Dermal tissue, particularly the epidermis, is essential for plant health and survival. It serves as a protective barrier against environmental threats while facilitating crucial processes like gas exchange through stomata. The epidermis is not just a simple layer; it consists of various specialized ...
Key Terms
Example: The epidermis protects the inner tissues of the leaf.
Example: Stomata open during the day to let in carbon dioxide.
Example: The cuticle on a cactus helps it survive in dry conditions.
Example: Guard cells swell to open stomata for gas exchange.
Example: Trichomes can deter herbivores from eating the plant.
Example: Transpiration helps cool the plant and draw water from roots.