What feature of prose shares the same purpose as a stanza of poetry?

There are no answer choices so I can't be sure exactly what you're looking for, but I'd say paragraph.

A stanza is a group of lines forming the basic recurring metrical unit in a poem, used to separate topics and build a piece of poetry neatly. A paragraph is a distinct section of a piece of writing, usually dealing with a single theme and indicated by a new line, indentation, or numbering. Paragraphs separate thoughts and topics and are a building block for an essay or prose.

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I know the answer i have learned this the answer is paragarph.

Explanation:

I have learned this. Hope this helped. :)