Primary Succession on a Rock. 1  Obviously, on bare rock, no develop soil exists. The niche of the lichen (mutualistic relationship between algae and fungi) is to live on the rock where it releases carbon dioxide, which when mixed in rainwater, makes a weak acid (carbonic acid).
To dream of chaos, is a sign that you will go into a difficult period filled with change, uncertainty and unknowns. [Other similar dream interpretations]
In everyday language chaos implies the existence of unpredictable or random behavior. The word usually carries a negative connotation involving undesirable disorganization or confusion. However, in the scientific realm this unpredictable behavior is not necessarily undesirable.