compare and contrast microevolution and macroevoution Solution Evolution is the process by which different kinds of organisms are believed to have developed from earlier forms during the history of the earth. Similarities: 1. Evolution at both these levels relies on the same, established mechanism of evolutionary change: mutation.MicroevolutionMacroevolutionIt is defined a the changes in the gene frequency in a population from one generation to next.It is an evolution on big scale, the descent of many species from one common ancestor over billion of years.It refers to varieties within a given time.It refers to major evolutionary changes over time..