What do annual rings in plants represent?

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(B) Annual rings are formed due to the differential activity of the vascular cambium during different seasons of the year.In temperate regions,the cam

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Secondary xylem

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(B) Annual rings are formed due to the differential activity of the vascular cambium during different seasons of the year.In temperate regions,the cambium is more active in the spring and less active in the winter.This results in the formation of two types of wood: spring wood (early wood) and autumn wood (late wood).These two layers together constitute an annual ring,which is primarily composed of secondary xylem.Therefore,annual rings represent the secondary xylem produced in one year.

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