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SSSSS [86.1K]
3 years ago
10

Although trees like this one begin life as a seed, throughout growth and development the cells of the organism continually chang

e. As a mature tree, several layers of cells in the secondary xylem or wood of the trunk are
Biology
1 answer:
loris [4]3 years ago
7 0

Answer:

they are called secondary pholem.

Explanation:

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