The sporangiophore grow vertically because it is positively
phototrophic. The rhizoides being positively geotrophic grow
downward.
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Sporangiophore
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Microspores develop inside the microsporangium
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gosh danggit answer it for me! i'm sick of getting these "answer
it" bullcrap buttons!
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Rhizopus stolonifer is more commonly known as black bread mold.
Rhizopus stolonifer is a part of the family Mucoraceae due to the
key feature of a swollen extension of the sporangiophore. It looks
like a balloon in the sporangium.