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]
Chaos is a state of extreme confusion and disorder. Putting a dozen dogs and a dozen cats in the same room would probably lead to utter chaos. The word chaos derives from a Greek word meaning chasm or void, which makes sense, given that chaos also refers to the formless state of matter before the cosmos was created. In math and science, chaos describes a system that will develop in wildly different ways with only tiny changes to the initial conditions.