The tiny openings on the underside of a leaf that allow gas exchange are called ___. A. stomata B. xylem C. phloem D. epidermis 相关知识点: 试题来源: 解析 A。叶子背面的微小开口用于气体交换,叫做气孔。stomata(气孔)符合。xylem(木质部)和 phloem(韧皮部)是运输水分和养分的组织;epidermis...
Leaf gas exchange, nitrogen concentration and water status. Can J For Res 27:1832-1840Kruger E.L. & Reich P.B. (1997). Response of hard- wood regeneration to fire in mesic forest openings. II. Leaf gas exchange, nitrogen concentration, and water status. Canadian Journal of Forest ...