Zygomycetes   are  named  after
   heterokaryotic,  resistant  bodies  called  zygosporangia  during  the
   sexual cycle.
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   During the asexual cycle, sporangia rupture to release haploid spores,
   which germinate and grow into new mycelia.
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   Some  species  produce  spores  in  oriented  sporangia,  which can be
   "aimed".