Question

someone plz ans
what is lichen?

Answer 1

Symbiotic Relation between the autotrophic algae or some species of batceria and the heterotrophic fungis is called as lichen

( In my Science Textbook Class-7 )

Answer 2

a simple slow-growing plant which typically forms a low crust-like, leaf-like, or branching growth on rocks, walls, and trees.