Question
Give an account of the importance of lichens.
Answer :
Word Count : 232
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Lichens are symbiotic associations between a fungal partner, usually an ascomycete, and a photosynthetic partner, either green algae or cyanobacteria. They play a significant role in ecosystems and are considered important indicators of environmental health. One of their primary ecological roles is in soil formation. Lichens colonize bare rocks and surfaces, secreting acids that chemically weather the substrate, gradually breaking it down into soil particles that facilitate the establishment of higher plants. This makes them pioneer species in primary
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