Which are the first organisms to colonize on a bare rock?

Which are the first organisms to colonize on abare rock ?

The first organisms to colonise rocks are

The first organisms to colonise rocks are

What are the first organisms to colonise rocks ? Give the generic name of the moss which provide peat ?

Mosscs are ecologically important because I. first organism to colonize bare rocks. II. Decompose rocks making suitable for growth of higher plant. III. Form dense mats on soil. IV. Reduce impact of falling rain and soil erosion.

Name the pioneer species organisms on a bare rock.

The first organism to be found on a bare rock formation is a

The first organism to be found on a bare rock formation is