Transpiration water loss occurs mostly through which of the following structures?

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Transpiration water loss occurs mostly through stomata, which are specialized openings on the surface of leaves and stems that regulate gas exchange and water loss. Pores (A) is a generic term that does not specifically describe the structures through which transpiration occurs. Epidermal cells (C) are the outermost layer of cells that protect the plant and do not play a direct role in water loss. Guard cells (D) are specialized cells that surround stomata and control their opening and closing but do not contribute to water loss. Vessels (E) are specialized structures in the xylem that transport water and minerals but do not play a direct role in water loss through transpiration.

Transpiration Water Loss Occurs Mostly Through Which of the Following