Question

In ecological succession, the pioneer organisms on bare rocks are:

• A. Cactus
• B. Ferns
• C. Lichens
• D. Mosses

Answer 1

Answer:

C. Lichens

• Lichen is the pioneer species on a bare rock.

• It carries out the primary succession.

• Lichens secrete acids over the rock that has the ability to dissolve it gradually, aiding in weathering and soil formation.