Give reasons for the following: a) Fungi are saprotrophs. b) Lichens represent symbiotic relationship.
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Saprotrophic nutrition or lysotrophic nutrition is a process of chemoheterotrophic extracellular digestion involved in the processing of decayed organic matter. It occurs in saprotrophs, and is most often associated with fungi and soil bacteria.
Explanation:
lichen is not a single organism; it is a stable symbiotic association between a fungus and algae and/or cyanobacteria. ... The lichen symbiosis is thought to be a mutualism, since both the fungi and the photosynthetic partners, called photobionts, benefit.
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fungi are saprotrophs is the correct answer ... option (a)
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