[填空题]
Zea mays, pictured below, is a speci25c:e7 recu1yutd+ v 3ozi9 zb7fbx(ies of foed++(l/el2bg dggq4 ,+f a .2fedpo rlowering plant which is often used as a model fo 2fddoeaf+/qgr.g24lp+eo,+elg b d( r the study of seed anatomy.
A cross-section of the stem was taken from a specimen, and it was stained and viewed using a light microscope at 100x magnification. The resulting image is shown below.
1.Using the image of the stem cross-section above, draw a simple labelled diagram demonstrating the orientation and structure of a vascular bundle within the stem of a plant.
2.State the name of the structure responsible for transporting organic compounds in plants. transports organic molecules in plants
