what do most fungi occur as?
filaments or yeasts
Most fungi occur as multicellular organisms, which means that they are made up of multiple cells. The body of a fungus is made up of thread-like structures called hyphae that are interwoven to form a complex network known as mycelium. The mycelium is responsible for absorbing nutrients from the environment and growing and expanding to form the visible fruiting body that we often associate with mushrooms. However, some fungi also occur as single-celled organisms, such as yeasts. Overall, the vast majority of fungi are multicellular organisms that play important roles in various ecosystems, including decomposing dead plant and animal matter, forming mutualistic relationships with other organisms, and acting as pathogens or parasites to living organisms.
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