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An example of punctuated equilibrium is human evolution, in which species seem to remain stable for very long spans of time and then abruptly develop into new species, or in the ra...

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Punctuated equilibrium


Punctuated equilibrium (also called punctuated equilibria) is a theory in evolutionary biology which proposes that once species appear in the fossil record they ...

Evolution: Library: Punctuated Equilibrium - PBS


The concept of punctuated equilibrium was, to some, a radical new idea when it was first proposed by Stephen Jay Gould and Niles Eldredge in 1972. Now it is ...

According to them, most species are characterized by very long periods of relatively genetic inactivity - nothing much happens in their environment and so, lacking any particular evolutionary pressures, their genetic code doesn't really change much. Essentially, tho... More »
By Austin Cline, About.com Guide

Punctuated Equilibrium


Punctuated Equilibrium is a theory about how the evolutionary process works, based on patterns of first appearances and subsequent histories of species in the  ...

Punctuated equilibrium - definition of punctuated equilibrium by The ...

www.thefreedictionary.com/punctuated equilibrium

punc·tu·at·ed equilibrium. (pŭngk′cho͞o-ā′tĭd). n. 1. The theory that the evolution of life on earth typically follows a pattern in which long periods of little ...

Punctuated Equilibria


punctuated equilibria” than by the notion of phyletic gradualism. The ... equilibria , disturbed only “rarely” (i.e., rather often in the fullness of time) by rapid and ...

Punctuated Equilibrium — Stephen Jay Gould | Harvard University ...


In 1972 Stephen Jay Gould took the scientific world by storm with his paper on punctuated equilibrium. Challenging a core assumption of Darwin's theory of ...

Punctuated-equilibrium | Define Punctuated-equilibrium at ...


theory of, Biology. a hypothesis holding that the evolution of species proceeds in a characteristic pattern of relative stability for long periods of time interspersed ...

Popular Q&A
Q: What is the hypothesis of punctuated equilibrium?
A: That macroevolutionary steps or changes occurred over very, very short time intervals, followed by long, long time periods of no macroevolution occuring. Read More »
Source: wiki.answers.com
Q: What is an example of punctuated equilibrium.
A: Well, you have to be able to understand different aspects of evolution. In this case, there are 2 to consider: 1) Gradualism (Proposed by Darwin). 2) Punctuated... Read More »
Source: www.answers.com
Q: What is the theory of punctuated equilibrium.
A: It is actually another theory explaining how a new species arises. The theory itself states that a species goes a long time without change, then suddenly change... Read More »
Source: www.answers.com
Q: What is punctuated equilibrium?
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Q: What is an example of punctuated equilibrium?
A: An example of punctuated equilibrium would be a species of fish growing an extra eye within a ten year Read More »
Source: www.chacha.com