Most fungi are saprophytes: The majority of fungi are heterotrophs that absorb soluble organic matter from dead and decaying substrates.\

Fungi can survive as symbionts: Many fungi live in mutualistic relationships, such as lichens (association with algae) and mycorrhiza (association with the roots of higher plants).

Sexual reproduction involves three steps: The sexual cycle typically consists of Plasmogamy (fusion of protoplasm), Karyogamy (fusion of two nuclei), and Meiosis (reduction division).

Reduction division occurs in fruiting bodies: In many fungi, meiosis (reduction division) takes place within specialized structures called fruiting bodies, leading to the formation of haploid spores.

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