FORESTRY
PLANT AND WOOD ANATOMY
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which type of tissue accumulates year after year?
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Phloem
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xylem
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cortex
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epidermis
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Explanation:
Detailed explanation-1: -An annual ring is one year’s worth of xylem growth. In most trees the xylem cells formed in the spring are larger than those formed later in the summer. The difference in size results in what appears as a ring.
Detailed explanation-2: -Secondary xylem and secondary phloem are produced from a cylinder of meristematic tissue within the woody stems and roots. This cylinder of meristematic tissue is the vascular cambium.
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