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Unformatted text preview: absent in the cells of all other fungi. All but one group of this phylum has chitin comprising their cell walls. Chytrids are aquatic, not terrestrial as are almost all other fungi. They thus may provide us with a glimpse of the earliest fungi, both in habit as well as structure. This division also has quite a diverse arrayof body plans and habitats. Allomyces is a chytrid used in some experiments. Phylum Zygomycota The Phylum Zygomycota consists of fewer than 1000 species. The zygomycete hyphae do not have one nucleus per cell, but rather have long multinucleate, haploid hyphae that comprise their mycelia. Asexual reproduction is by spores produced in stalked sporangia , such as shown in Figure 3....
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