BIOL 1011 Lecture Notes - Lecture 7: Decomposer, Glomeromycota, Commensalism
20 Aug 2018
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Document Summary
Five phyla: features, life cycles, examples: chytrids, zygomycetes, glomeromycetes, ascomycetes, basidiomycetes. Structure basic unit is hypha n i t i s h s i c u a b p y. Each contains nucleus, dehydrated cytoplasm & protective coat. Some can remain dormant for long periods. Produced by: mitosis: asexual reproduction, meiosis: sexual reproduction. Purpose (functions): move to new food source, avoid or wait out adverse environment, new genetic combination (sexual repro. ) Black bread mold: spores in sporangia i l l i u m c. P e n i: conidia (spores) in conidiophores, budding t s a e s y r e k. Decomposers, parasites, commensals (digestive tract of sheep & cattle) Has converted the entire contents of its flasked-shaped body, or thallus, into flagellated asexual zoospores. Black bread mold s p o r e s. Sac fungi: 65,000 species, unicellular (yeast, multicellular (truffles, cup fungi, morels) yeast cup fungi morel. Sexual reproduction formation of ascospores in ascus karyogamy plasmogamy.
