Lichens are called pioneer colonisers of | Class 9 Science Chapter Natural Resources, Natural Resources NCERT Solutions

Question:

Lichens are called pioneer colonisers of bare rock. How can they help in formation of soil?

Answer:

Lichens release small quantities of acids which corrode the surface of rocks creating small pores and releasing minerals. With the passage of time the porous surface
changes into a thin layer of soil.


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Welcome to the NCERT Solutions for Class 9 Science - Chapter . This page offers a step-by-step solution to the specific question from Excercise 0 , Question 46: Lichens are called pioneer colonisers of bare rock. How can they help in formation of soil?....