The small pores in the epidermis of a leaf are called stomata. They facilitate gas exchange and transpiration, which is the loss of water vapor from the plant.
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The small pores in the epidermis of a leaf are called stomata. They facilitate gas exchange and transpiration, which is the loss of water vapor from the plant.
The small pores in the epidermis of a leaf are called stomata (singular: stoma). These structures regulate gas exchange, including the intake of carbon dioxide and release of oxygen, as well as the loss of water through transpiration.