Known as sac fungi, produce spores in the ascus, and examples include truffles, yeast, and blue mold: ChytridiomycotaAscomycotaBasidiomycotaZygomycotaDeuteromycota

Ascomycota are called sac fungi because they produce spores in saclike structures called asci. Truffles, yeast, and blue mold are examples of this group, so the correct choice is Ascomycota.

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