theory of punctuated equilibrium


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Related to theory of punctuated equilibrium: Ronald Fisher
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Noun1.theory of punctuated equilibrium - a theory of evolution holding that evolutionary change in the fossil record came in fits and starts rather than in a steady process of slow change
evolutionism, theory of evolution, theory of organic evolution - (biology) a scientific theory of the origin of species of plants and animals
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References in periodicals archive ?
While the theory of punctuated equilibrium seems to attract the modern mind and reflect modern trends.
Evolution as we understand it now is not a linear path of developing complexity; the theory of punctuated equilibrium assumes a more chaotic process full of spikes and dips.
According to the theory of punctuated equilibrium, occasional asteroid impacts might accelerate the rate of biological evolution by disrupting a planet's environment to the point where species must try new adaptation strategies.
But only the theory of punctuated equilibrium, Gould argued, could predict exactly what we have found (and not found) in the fossil record--evidence of overwhelming changelessness and sudden morphological macroevolution among small and geographically peripheral populations.

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