Question

define on lichens in short
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Answer 1

Answer:

a very small grey or yellow plant that spreads over the surface of rocks, walls and trees and does not have any flowers

Answer 2

Answer:

Lichens are a complex life form that is a symbiotic partnership of two separate organisms, a fungus and an alga. The dominant partner is the fungus, which gives the lichen the majority of its characteristics, from its thallus shape to its fruiting bodies.. Many lichens will have both types of algae.

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lichen is a simple slow-growing plant that typically forms a low crusty, leaflike, or branching growth on rocks, walls, and trees