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]
Dreaming of an airplane crashing may be a metaphor for some aspect of your life that is in danger of ending quickly and unexpectedly; may be an indication that your goals or ideals are too high and unattainable; or it may be symbolize your self-doubt and lack of self-confidence in attaining these goals.