LICHENS = ALGAE + FUNGI

CYANOBACTERIA + FUNGIALGAE/ CYANOBACTERIA + FUNGI

Around 18, 000 identified species

LACK:- root- stem- leaf

FUNGI: larger and stronger – gives lichens their shape

Alga: provides food

FUNGI: absorbs water and nutrients from the air

FUNGI: protects algae

water, air, nutrients, light and substrates

Distribution-dominant on 8% of the earth’s surface

REPRODUCTION

IMPORTANCE

IMPORTANCE