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Cosa (chi) è punctuated equilibrium - definizione
Punctuated equilibrium
![Alternative explanations for the punctuated pattern of evolution observed in the fossil record. Both [[macromutation]] and seemingly "rapid" episodes of gradual evolution could give the appearance of instantaneous change, since 10,000 years seldom registers in the geological record.](https://commons.wikimedia.org/wiki/Special:FilePath/Punctuated Equilibrium.svg?width=200 "Alternative explanations for the punctuated pattern of evolution observed in the fossil record. Both [[macromutation]] and seemingly \"rapid\" episodes of gradual evolution could give the appearance of instantaneous change, since 10,000 years seldom registers in the geological record.")
THEORY IN EVOLUTIONARY BIOLOGY
Theory of Punctuated Equilibrium; Punctuationism; Punctuated equilibria; Punctuated equilibrium model; Punctuated equilibrium theory; Punk ekk; Punctuationalism; Punk eek; Punctuated equalibrium; Puncuated equilibrium; Stasis (biology); Punctuated evolution; Punctuated Equilibrium; Punk Eek; Punctuated Equilbrium; Punc-eq; Punc eq; Punk Eq
In evolutionary biology, punctuated equilibrium (also called punctuated equilibria) is a theory that 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
THEORY IN EVOLUTIONARY BIOLOGY
Theory of Punctuated Equilibrium; Punctuationism; Punctuated equilibria; Punctuated equilibrium model; Punctuated equilibrium theory; Punk ekk; Punctuationalism; Punk eek; Punctuated equalibrium; Puncuated equilibrium; Stasis (biology); Punctuated evolution; Punctuated Equilibrium; Punk Eek; Punctuated Equilbrium; Punc-eq; Punc eq; Punk Eq
¦ noun Biology the hypothesis that evolutionary development is marked by isolated episodes of rapid speciation between long periods of little or no change.
Equilibrium point
CONSTANT SOLUTION TO A DIFFERENTIAL EQUATION
Equilibrium points; Equilibrium solution; Point of Equilibrium
In mathematics, specifically in differential equations, an equilibrium point is a constant solution to a differential equation.
Esempi dal corpus di testo per punctuated equilibrium
1. For example, biologists argue about the degree to which evolution moves smoothly or progresses in fits and starts, a Gould–ian theory called punctuated equilibrium.
2. Pritchard said his research does not speak directly to Gould‘s "punctuated equilibrium" hypothesis that suggests that evolution progresses in leaps and starts.
3. Among the controversies that students of evolution commonly face, these are genuinely challenging and of great educational value÷ neutralism versus selectionism in molecular evolution; adaptationism; group selection; punctuated equilibrium; cladism; "evo–devo"; the "Cambrian Explosion"; mass extinctions; interspecies competition; sympatric speciation; sexual selection; the evolution of sex itself; evolutionary psychology; Darwinian medicine and so on.