Question : Give scientific reasons : Lichens play important role in biological succession and soil formation.

Question : Give scientific reasons : Lichens play important role in b

1.	Question : Give scientific reasons : Lichens play important role in biological succession and soil formation.
Answer» SOLUTION :Lichens growing on rock secrete organic acid like OXALIC acid. This acid enter the rock and produce a number of crevices. Dust and organic matter collect in the crevices. Mass spores are able to grow over such crevices and START the PROCESS of SUCCESSION and soil formation.