Question

what is lichen describe with examples​

Answer 1

Answer:

The definition of a lichen is a plant found on rocks or trees made of both a specific fungus and a specific algae that help one another. An example of a lichen is the colored patch growing on a tree branch. ... The mutualistic symbiotic association of a fungus with an alga or a cyanobacterium, or both.

Answer 2

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Lichens are dual organisms or entities which contain a permanent association of a fungus or mycobiont and an alga or phycobiont. The fungal partner is usually an Ascomycota and sometimes, a basidiomycete. The algal partner is mostly a green alga or a cyanobacterium (blue-green alga).

. Examples on Silverside's pages include foliose lichen, which look flat and leafy; fruticose lichen, which have a wiry, tufted appearance; squamulose lichen, which have flat, overlapping scales; and crustose lichen, which as the name suggests, form a tightly attached crust over the surface it inhabits.

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