A fungus is a eukaryotic organism. Heterotrophic fungi obtain nutrients through absorption, saprophytic fungi break down dead organic matter in recycling, and parasitic fungi obtain nutrients from living hosts. Fungi can either reproduce sexually, by fusing together while keeping the nuclei separate, or asexually, when a single fungus produces several spores. The fungi kingdom is grouped into four categories: chytrids, zygomycetes, ascomycetes, and basidiomycetes. Chytrids release enzymes that are able to break down molecules of other organisms. Zygomycetes are the fungi found on breads, fruits, vegetables, and decaying organisms. Ascomycetes include a variety of edible fungi and form roots to aid in the growth of plants. Basidiomycetes are the most common form of fungi and are referred to as “club fungi” due to their shape.
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