Among the Creationists:Dispatches from the Anti-Evolutionist Front Line by Rosenhouse Jason

Author:Rosenhouse, Jason [Rosenhouse, Jason]
Language: eng
Format: mobi
Publisher: Oxford University Press
Published: 2012-02-21T16:00:00+00:00

These ideas have been entirely standard among biologists going all the way back to Darwin. In The Origin of Species he wrote:

We should be extremely cautious in concluding that an organ could not have been formed by transitional gradations of some kind. Numerous cases could be given amongst the lower animals of the same organ performing at the same time wholly distinct functions. . . . In such cases natural selection might easily specialise, if any advantage were thus gained, a part or organ, which had performed two functions, for one function alone, and thus wholly change its nature by insensible steps. Two distinct organs sometimes perform simultaneously the same function in the same individual. . . . In these cases, one of the two organs might with ease be modified and perfected so as to perform all the work by itself, being aided during the process of modification by the other organ; and then this other organ might be modified for some other quite distinct purpose, or be quite obliterated. (Darwin 1859, Ch. 6)

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