During primary succession, organisms must start from scratch. First, lichens might attach themselves to rocks, and a few small plants able to live without much soil might appear. These are known as ...

This change is due to shifts in the presence and relative abundance of different species as time passes ... This type of succession is often called primary succession, as the soil, as well as ...

Primary Succession: The process of ecological change ... leading to the establishment of a biological community. Pioneer Species: The first species to colonize previously uninhabited or disturbed ...