nick
Stomata.
They are called stomata, openings or pores in the epidermis of leaves.
The stoma, or pores of a plant control all gas exchange. The stoma is found in the epidermis of the leaf.
Stomata....
Stomata....
The openings in the epidermis of a plant are called stomata. Stomata are surrounded by specialized cells called guard cells that regulate the opening and closing of the stomatal pore to control gas exchange and water loss in the leaf.
The outer layer of the skin, the epidermis, consists mainly of cells called keratinocytes.
The openings in the epidermis of a leaf that let CO2 into the leaves are called stomata. Stomata are small pores primarily located on the underside of the leaf that allow for gas exchange, including the intake of CO2 for photosynthesis and the release of oxygen.
Amphistomatous describes a certain type of leaf morphology in drought adapted plants. These plants have stomates (the openings in the epidermis which allow CO2 to diffuse into the leaf) on both sides of the leaf.
The surface of the leaf that you see is the "epidermis".
The epidermis covers the lower and upper sides of the leaf.
Answer: the epidermis of a leaf includes: upper epidermis and lower epidermis but if you are referring to the epidermis of an onion: it is only one layer