Download - vccbiology.weebly.com...In the secondary growth of a stem, the vascular cambium pro- duces vascular tissue and increases the thickness of stems over time. 16. Bark develops from the

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Page 1: vccbiology.weebly.com...In the secondary growth of a stem, the vascular cambium pro- duces vascular tissue and increases the thickness of stems over time. 16. Bark develops from the