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).
Chaos dream meanings. Home / Chaos by. General Meanings: Confusion and conflicts The chaos is a sign of insecurity. This may be a sign that the dreamer has lost all his important things in life. The dreamer has to relax and to give himself some time and to let all affairs to develop slowly.
Etymology [edit]. Nightmare evokes the modern word for a female horse but the terms are wholly unrelated. The word derives from the Old English  mare , a mythological demon or goblin who torments others with frightening dreams. Subsequently, the prefix night- was added to stress the dream-aspect. The word nightmare is cognate with the older German term Nachtmahr.