Stratigraphic correlation is a process of matching up strata from various sites through the analysis of physical, chemical and other properties. It is also a study that involves establishing geochronological relationships between areas concerned with geological investigation of many succession. It is carried out by studying the different patterns and location of rocks on the earth so as to understand their relationships and age of the layer.
The darker moths would be harder for the bird to see due to the amount of soot on the trees. The darker moth population would thrive and continue to grow, while the lighter colored moth population would decrease.
