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]
dream noun [ C ] (SLEEP) A2 a series of events or images that happen in your mind when you are sleeping: a good/bad dream. a recurring dream. I had a very strange dream about you last night. [ + that ] Paul had a dream that he won the lottery.