Question

explain the nutrition in fungi​

Answer 1

Explanation:

The mode of nutrition in fungi is saprotrophic and they are called saprophytes.

It is a mode of nutrition in which an organism obtains its nutrients from the decaying organic matter.

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Answer 2

Answer:

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In  their mode of nutrition, fungi are heterotrophic. They cannot ingest solid food but absorb it directly through cell membranes either by living as saprophytes or parasites.

The saprophytes grow where dead organic matter abounds in the substratum.

The parasites live in or on the living bodies of other organisms ( plants and animals) and obtain food from them.

However, one cannot always find a sharp distinction between parasites and saprohytes. Among the parasites, one can distinguish the following three degrees of parasitism:

Obligate parasites - They can grow only upon suitable living host tissues. The best examples of obligate parasites are the downy and powdery mildews.

Facultative saprophytes - Normally, they live as parasites and attain their best development as such. However, they are able to grow indefinitely as saprophytes under emergent circumstances. To this category belong Taphrina deformans, the leaf curl fungi , and some smuts.

Facultative parasites - Normally, they are saprophytes in their habit but may now and then become parasites. Some Fusarium species are good examples of this type. When suitable host plants are sown in such soil, they attack them and start living as parasites.

The fungi which lives striclty as saprophytes are called Obligate saprophytes. They are incapable of infecting plants or animals. The common examples include Mucor, many fiels toadstools and most of the species of Penicillium