A woody plant lives through five years of drought, followed by five years of good growing conditions. The ring of xylem cells formed during the five good years will

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During the five years of good growing conditions, the woody plant will have access to more water and nutrients, which will result in larger and thicker xylem cells being formed. In contrast, during the period of drought, the plant will not have enough water to support growth, resulting in thinner xylem cells being formed. Therefore, the ring of xylem cells formed during the five good years will be thicker than those formed during the drought years.

A Woody Plant Lives Through Five Years of Drought, Followed