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sergeinik [125]
3 years ago
11

The xylem cells are square, whereas the phloem cells are round. From which part of the stem tissue is wood made? Select one: a.

spongy mesophyll b. the cuticle c. old layers of xylem and phloem d. central parenchyma Flat leaves lose water to the environment more readily than pine needles do.

Biology
1 answer:
Andrei [34K]3 years ago
5 0

Answer:

The correct answer is option c. "old layers of xylem and phloem".

Explanation:

Wood is one important good used for construction obtained from the main substance of the outer layer of the trunk or branches of a tree. Biologically, the outer layer of the trunk of a tree is comprised of the old layers of xylem and phloem, which are dead cells that were part of the heartwood or the centre of the tree. These old layers of xylem and phloem form the outer bark structure of the tree.

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