Practice question

Ascomycota called sac fungi produce sexual meiospores termed ascospores internally within sac-shaped meiosporangium called ascus where karyogamy and meiosis occur. Typically yields eight ascospores after additional mitotic division ensuring efficient dispersal. Asci grouped into ascocarps such as cleistothecia, perithecia. Zygomycota produce zygospores, Basidiomycota basidiospores externally on basidia, Chytridiomycota zoospores motile. Presence of asci with endogenous ascospores represents synapomorphy diagnostic for Ascomycota comprising yeasts, molds, morels, truffles encompassing largest fungal phylum with significant medically and industrially important members. Basidial morphology supports diverse basidiocarp architectures from simple crusts to elaborate mushrooms facilitating ecological niche specialization and spore liberation.