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Exaptation

An exaptation is a biological adaptation where the biological function currently performed by the adaptation was not the function performed while the adaptation evolved under earlier pressures of natural selection.


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Re: Is evolutionary theory a house built on sand?

... genetics, Genetic Drift, Neutral Theory, adaptation and variation arising from weakened purifying selection, punctuated equilibrium, spandrels and exaptation, and so on? Do you know which aspects of Darwin's theory have been disproved and the significance of those disproofs? I'm just curious if ...

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by mamoru
Wed Feb 17, 2010 1:15 am
 
Forum: Evolution
Topic: Is evolutionary theory a house built on sand?
Replies: 22
Views: 12803

Re: Pitfalls of Evolutionary Psychology: Exaptation

If evolution is a subset of biology and psychology is considered a separate category, one must at least concede that evolutionary psychology contains a component of biology. Edward O Wilson's book Consilience explains how disciplines often overlap in order to create new fields that can make signifi...

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by david23
Sat Sep 12, 2009 3:23 am
 
Forum: Evolution
Topic: Pitfalls of Evolutionary Psychology: Exaptation
Replies: 5
Views: 34527

Re: Pitfalls of Evolutionary Psychology: Exaptation

If evolution is a subset of biology and psychology is considered a separate category, one must at least concede that evolutionary psychology contains a component of biology. Edward O Wilson's book Consilience explains how disciplines often overlap in order to create new fields that can make signific...

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by jeremyo
Tue Aug 18, 2009 5:39 am
 
Forum: Evolution
Topic: Pitfalls of Evolutionary Psychology: Exaptation
Replies: 5
Views: 34527

Pitfalls of Evolutionary Psychology: Exaptation

... than an aimless path through the void? I might argue that the existence of intelligent life once it reaches a certain level allows for an "exaptation" phenomenon that combines the adaptations of multiple systems for new "exaptations" that are not directly related to survival. ...

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by jeremyo
Mon Aug 17, 2009 12:12 am
 
Forum: Evolution
Topic: Pitfalls of Evolutionary Psychology: Exaptation
Replies: 5
Views: 34527

Re: Can the Information be Ignored?

... the acquisition of a particular characteristic or the formation of an organ (adaptation) or to enable the existing organ to perform new function (exaptation); a drastic change needs to occur in the genes or the genetic material. Additional information is needed to be added to the existing genetic ...

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by mith
Sat Jun 17, 2006 4:31 am
 
Forum: Evolution
Topic: Origins of life
Replies: 327
Views: 178048
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