Question

Early colonisers of bare and barren areas helps in _________ succession.

Answer 1

Colonisers of the bare and barren areas start the primary succession. These are lichens, arachnids, invertebrates. They make the soil inhabitable and also cause the weathering of rocks for more soil formation. When they die, their dead remains are decomposed that add up to the fertility of the soil and then advance life forms can start their growth.