During primary growth:
A. A plant’s roots and shoots thicken and become woody.
B. A plant’s roots and shoots lengthen, and it produces soft parts such as leaves.
C. Two lateral meristems form in older stems and roots.
D. When cells of vascular cambium divide, some of them differentiate.
E. In eudicots and gymnosperms, the thickening originates at lateral meristems.
Answer: B
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