Question

what is sheath plz it's urgent​

Answer 1

Answer:

The lower part of leaf enveloping stem or culm. A secreted, tubular structure formed around a chain of cells or around a bundle of filaments, cells within a sheath may or may not subsequently separate from the sheath. a layer of outer membrane covering the bacterial flagella.

Explanation:

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Answer 2

Answer:

A lower part of leaf enveloping stem and calm.

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