The main goal of ecological succession is "development of new species".
Option: A
Step-by-step explanation:
The mechanism of transformation of an ecological community's species structure over time is understood as "Ecological succession". The timeframe can be decades like a wildfire after a mass extinction, or even millions of years.
Succession can either be caused by the development of new, unused habitat, perhaps from a lava flow or a severe landslide, or through some form of community disruption, such as from a fire, extreme windthrow, or deforestation. It is not in equilibrium as a group undergoes numerous changes across each stage of succession.