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]
To see a herd of cattle in your dream represents a lack of individuality. You generally go with the flow of things. Alternatively, it symbolizes prosperity. To see a stampede of cattle in your dream suggests that something in your life is out of control.