Special epidermal cells which allow for gas exchange?

Question: Special epidermal cells which allow for gas exchange?

The special epidermal cells that allow for gas exchange in plants are called stomata. Stomata are small pores or openings found on the surface of leaves, stems, and other plant organs that allow for the exchange of gases such as oxygen, carbon dioxide, and water vapor with the surrounding environment.

Stomata are typically composed of two specialized cells called guard cells, which control the opening and closing of the stomata. When guard cells are turgid (swollen with water), they cause the stomata to open, allowing for gas exchange and the movement of water vapor out of the plant. When guard cells are flaccid (depleted of water), they cause the stomata to close, preventing the loss of water through transpiration.

The opening and closing of stomata is regulated by a complex interplay of environmental factors such as light, temperature, humidity, and the concentration of gases in the air, as well as internal factors such as hormones and water availability. Stomata play a critical role in plant growth and survival by facilitating gas exchange, controlling water loss, and regulating the uptake of carbon dioxide needed for photosynthesis.

Rjwala

Rjwala is your freely Ai Social Learning Platform. here our team solve your academic problems daily.