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]
Roaches in Dream. Roaches in a dream indicates filth and dirt. Your dream represents undesirable aspect of your life that you have constantly ignored. Now the situation has gotten worst as seen overrun by roaches. Think about what the issues that have been bugging you and confront them.