purchasing food from unsafe sources, failing to cook food adequately, holding food at incorrect temperatures, practicing poor personal hygiene and using contaminated equipment.
Fungi are both unicellular and multicellular. Unicellular fungi are yeasts. All other types of fungi are multicellular.ungi are both unicellular and multicellular. Unicellular fungi are yeasts. All other types of fungi are multicellular.
Fungi were first classified as plants. However they differ in that  they are heterotrophs while plants are photoautotrophs. Some  characterizes that plants and fungi share a â¦ re: multicellular and  eukaryotic organisms, have cell wall, produce spores and are  non-motile.ungi generally have the following characteristics:  1. They are eukaryotes. This means they have a  nucleus which contains their genetic material (unlike bacteria,  which â¦ do not have a nucleus).  2. They are made of thin threads called hyphae.  The hyphae form a branching network called a  mycelium.