Evolution this article is about evolution in biology. For related articles, see outline of evolution. For other uses, see evolution (disambiguation).
Understanding the Context
For a more accessible and less technical. Because the definition of evolution is change in the heritable characteristics of a population over generations, evolution can occur by means other than natural selection. Evolution is a process of continuous branching and diversification from common trunks. This pattern of irreversible separation gives life's history its basic directionality.
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Key Insights
Evolution helps us to understand the living world around us, as well as its history. Biological evolution is not simply a matter of change over time. Evolution is a biological process. It is how living things change over time and how new species develop. The theory of evolution explains how evolution works, and how living and extinct.