Which layer of the microsporangium consists o | vedclass

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(A) The microsporangium is surrounded by four wall layers: the epidermis,endothecium,middle layers,and tapetum.$1$. The epidermis is the outermost sin

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Middle layers

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(A) The microsporangium is surrounded by four wall layers: the epidermis,endothecium,middle layers,and tapetum.$1$. The epidermis is the outermost single-cell layer.$2$. The endothecium is the second layer,also consisting of a single layer of cells.$3$. The middle layers are located between the endothecium and the tapetum and consist of $2-3$ layers of cells.$4$. The tapetum is the innermost layer,which is also a single layer of cells.Therefore,the middle layers are the only ones that consist of multiple layers of cells.

Which layer of the microsporangium consists of multiple layers of cells?

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