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]
Stressful things that happen during the day can turn dreams into nightmares. Nightmares may be a way to relieve the pressures of the day. This usually means dealing with things most kids have to face at one time or another: problems at home, problems at school, and stress from sports or schoolwork.