stomata,epidermis

stomata on leave
stomata to enter
肢口纲(merostomata)剑 尾目(xiphosura)海生节肢动物,共4种,见于亚
ppt 第十六章 圆口纲(cyclostomata) * 低等的无颌脊椎动物 最
differential responses of stomata and photosynthesis to elevated