Leaf surface, transpiration. Expulsion of water vapor, dew is called transpiration. Evaporation are provided by the pores called stomata that open and close in the leaves of the plant. Vector graphic Stock Coal power plants in Bulgaria cutting production amid losses, pollution breaches Care Guide for the Aglaonema Pink Star Houseplant, Aglaonema Care guid Happy Houseplants Plant Cell, A plant cell is the basic structural and functional unit of plants. It contains unique parts like the cell wall, chloroplasts, and a large central vacuole that help the plant maintain