Question : Lichens play important role in biological succession and soil formation. Give the reason.

Question : Lichens play important role in biological succession and so

1.	Question : Lichens play important role in biological succession and soil formation. Give the reason.
Answer» SOLUTION :1. Lichens growing on rocks SECRETE organic acids like oxalic acid. The acids enter the rock and produce a number of honey comb-like small crevices. 2. Moss SPORES are ABLE to GROW over such crevices and start the process of succession and soil formation.