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Why is macroevolution and punctuated equilibrium so intimately linked?

Why is macroevolution and punctuated equilibrium so intimately linked?

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Punctuated equilibriium is a theory in evolutionary biology which proposes that once a species appears in the fossil record the population will become stable, showing little evolutionary change for most of its geological history.

Punctuated equilibrium predicts that a lot ofevolutionary change takes place in short periods of time tied to speciation events. ... Also, their small population size means that genetic drift influences their evolution. The isolated population undergoes rapidevolutionary change.

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