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Encyclopedia > Universal Darwinism
This article is about Darwinism as a philosophical concept; see evolution for the page on biological evolution; modern evolutionary synthesis for neo-Darwinism; and also evolution (disambiguation).

Darwinism is a term used for various processes related to the ideas of Charles Darwin, particularly concerning evolution and natural selection. Darwinism in this sense is not synonymous with evolution, but rather with evolution by natural selection. Modern biology suggests a number of other mechanisms involved in evolution which were unknown to Darwin, such as genetic drift.


To say that Darwinism is often used by biologists is an understatement that verges on bathos; Darwinian random variation and subsequent selection is occasionally used by mathematicians to describe evolutionary processes that resemble the evolution of life, such as the development of software with genetic algorithms. The 19th century term "survival of the fittest" coined by Herbert Spencer was a misapplication of Darwin's views. Spencer and others developed "evolutionary" views of society, termed "Social Darwinism," which eventually discredited many of the extensions of Darwin's ideas in nonscientific contexts, such as philosophy and the social sciences. When used in this way, the concept of Darwinism was divorced from the details of biological evolution, which have become clear starting almost a century after the publication of Origin of Species, 1859.


A Darwinian process requires the following conditions:

  • Self-replication: Some number of entities must be capable of producing copies of themselves, and those copies must also be capable of reproduction.
  • Variation: There must be a range of different traits in the population of entities, and there must be a mechanism for introducing new variations into the population.
  • Inheritance: There must be a way to combine the different variations in producing new individuals.
  • Selection: Inherited traits must somehow affect the ability of the entities to reproduce themselves, either by survival, or natural selection, or by ability to produce offspring by finding partners, or sexual selection.

Darwinism asserts that any system given these four conditions, by whatever means, evolution is likely to occur. That is, over time, the entities will accumulate complex traits that favor their reproduction.


Most obviously, this can refer to biological evolution. However, it has other potential spheres, the best known of which is the meme, a concept of inheritance and modifcation of ideas introduced by Richard Dawkins in his 1976 book The Selfish Gene.


Daniel Dennett (1995) in Darwin's Dangeous Idea argues for universal Darwinism.


External links

  • Charles Darwin Books (http://charles-darwin.classic-literature.co.uk/)

  Results from FactBites:
 
Darwinism - Biocrawler (612 words)
Darwinism is a term used for various processes related to the ideas of Charles Darwin, particularly concerning evolution and natural selection.
Also, Darwinism may be used to contrast it with other, discredited mechanisms of evolution that were historically thought possible, such as Lamarckism or mutationism.
To say that Darwinism is often used by biologists is an understatement that verges on bathos; Darwinian random variation and subsequent selection is occasionally used by mathematicians to describe evolutionary processes that resemble the evolution of life, such as the development of software with genetic algorithms.
  More results at FactBites »

 
 

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