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]
Dreams are actually a completely coherent message from your unconscious mind. The unconscious mind has become more of a mystery as the human species has become increasingly civilized. The effects of civilization on our species manifests as a rising level of fear and misunderstanding of our unconscious mind.