Unformatted text preview: surface. The xylem cells are stained red and have much thicker walls than the blue stained, thin-walled phloem cells. ROOTS Roots function to anchor the plant and to absorb water and nutrients. Some roots are also important storage organs. Can you think of an example of a root whose major function is storage? The root is the first organ to emerge from the germinating seed. The actively growing and dividing region in the root, the meristem , is located near the root tip, just behind the root cap . As growth and development progress, the main (primary) root elongates and lateral roots that originate endogenously (within the main root), are formed in the region well behind the actively growing root tip....
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- Fall '11
- Biology, phloem, Plant anatomy, thin-walled phloem cells