Growth rings (annual rings) are formed by the | vedclass

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(A) Growth rings, also known as $annual\ rings$, are formed due to the differential activity of the vascular cambium. In temperate regions, the cambiu

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Cambium

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(A) Growth rings, also known as $annual\ rings$, are formed due to the differential activity of the vascular cambium. In temperate regions, the cambium is more active during the spring season and produces a large number of xylem elements with wider vessels, known as $spring\ wood$ or $early\ wood$. In winter, the cambium is less active and produces fewer xylem elements with narrow vessels, known as $autumn\ wood$ or $late\ wood$. The band of $spring\ wood$ and $autumn\ wood$ formed in a year constitutes an $annual\ ring$.

Growth rings $(annual\ rings)$ are formed by the activity of:

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