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Black_prince [1.1K]
3 years ago
5

What is the structure of a stem

Biology
1 answer:
erica [24]3 years ago
3 0
Vascular tissue composed of xylem<span> (red) and </span>phloem<span> tissue (green, between the</span>xylem<span> and </span>cortex<span>) surrounds the pith. Collenchyma cells are elongated cells with unevenly-thickened walls . They provide structural support, mainly to the stem and leaves.</span>
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Explanation:

Natural selection explains how certain desirable traits like;

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2 years ago
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