gman014
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as a tree ages it needs to keep making more xylem and phloem cells to carry water and food how does this occur

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thatneedshelp
Meristem cells divide and some of the new cells differentiate into xylem and phloem. 
hsimons1721

Answer:

Meristem cells divide and some of the new cells differentiate into xylem and phloem.

Explanation:

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