Question

What are lichens? characteristics of lichens.any two.​

Answer 1

lichens are eg. of symbiotic relationship between fungi and algae

characteristics:-

• silvery in colour

• fungi provides water

• algae provide food as it can do photosynthesis

Answer 2

A lichens is a composite organismthat arises from algae or cyanobacteria living among filaments of multiple fungi species[1]in a mutualistic relationship.[2][3][4] The combined lichen has properties different from those of its component organisms. Lichens come in many colors, sizes, and forms. The properties are sometimes plant-like, but lichens are not plants. Lichens may have tiny, leafless branches (fruticose), flat leaf-like structures (foliose), flakes that lie on the surface like peeling paint (crustose),[5] a powder-like appearance (leprose), or other growth forms.[6]