Evolutionary theory encompasses both micro and macroevolution from "summary" of The Structure of Evolutionary Theory by Stephen Jay Gould
Evolutionary theory, as expounded upon by Gould, is a comprehensive framework that addresses both micro and macroevolutionary processes. While the distinction between these two levels of evolutionary change has been a point of contention among scholars, Gould argues that they are fundamentally interconnected and should be considered as parts of a unified theory. Microevolution, referring to changes within species over relatively short periods of time, is often seen as distinct from macroevolution, which involves the emergence of new species and evolutionary trends over longer timescales. However, Gould contends that these processes are not separate entities, but rather different manifestations of the same underlying mechanisms of genetic variation, natural selection, and evolutionary change. By emphasizing the importance of examining evolutionar...
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