Hyphae are:  
             a.  the filamentous growth structures of many fungi.
             b.  divided by septa in the Ascomycota and Basidiomycota.
   c.  divided by septa in the Oomycota.
            d.  surrounded by a cell wall.
            e.  absent in the slime molds.​

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Explanation:

the "power" of a lens is its resolution power, or its ability to distinguish between to closely located points. with the low power lens, it is likely you will see the rough form of the hay and maybe some movement of dots around the hay. however, when observed with the high power lens, the detailed features of the hay become visible and the microbes being grown are more clearly visible.

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