 | Charles Darwin, Thomas F. Glick, David Kohn - Science - 1996 - 356 pages
...as the acknowledged varieties of any one species are the descendants of that species. Furthermore, I am convinced that Natural Selection has been the main but not exclusive means of modification. THE STRUGGLE FOR EXISTENCE Before entering on the subject of this... | |
 | Antony Flew - Science - 1984 - 149 pages
...same manner as the acknowledged varieties of any one species are the descendants of that species ... I am convinced that Natural Selection has been the main but not exclusive means of modification' (ibid., p. 69). And, although he built up a mighty case for this sweeping... | |
 | Ken Richardson - Psychology - 2002 - 232 pages
...in a most conspicuous position — namely at the close of the Introduction — the following words: ‘I am convinced that natural selection has been...main, but not the exclusive means of modification'. This has been of no avail. Great is the power of steady misrepresentation. (Quoted by Bocchi 1991:... | |
 | Working Group on Teaching Evolution, National Academy of Sciences - Education - 1999 - 141 pages
...as the acknowledged varieties of any one species are the descendants of that species. Furthermore, I am convinced that Natural Selection has been the main but not exclusive means of modification. On the Origin of Species by Means of Natural Selection. London. 1859.... | |
 | Charles Darwin - Science - 1998 - 393 pages
...as the acknowledged varieties of any one species are the descendants of that species. Furthermore, I am convinced that Natural Selection has been the main but not exclusive means of modification. CHAPTER I Variation under Domestication Causes of variability —Effects... | |
 | Working Group on Teaching Evolution, National Academy of Sciences - Education - 1999 - 141 pages
...as the acknowledged varieties of any one species are the descendants of that species. Furthermore, I am convinced that Natural Selection has been the main but not exclusive means of modification. On the Origin of Species by Means of Natural Selection. London. 1859.... | |
 | Jean Gayon - Science - 1998 - 516 pages
...This thesis is set out in the Introduction to the first edition of the Origin of Species (1859, p. 6): 'I am convinced that Natural Selection has been the main but not exclusive means of modification.' All subsequent editions use this same formulation. In The Variation... | |
 | Patrick Blandin - Ecology - 1998 - 932 pages
...edition of The Ongin of Species, Darwin accepted the direct influence of environment on living beings: “...I am convinced that Natural Selection has been the main but not exclusive means ofmodification.”¿ He never ceased repeating this: “In my opinion the greatest... | |
| Working Group on Teaching Evolution, National Academy of Sciences - Education - 1999 - 141 pages
...as the acknowledged varieties of any one species are the descendants of that species. Furthermore, I am convinced that Natural Selection has been the main but not exclusive means of modification. On the Origin of Species by Means of Natural Selection. London. 1859.... | |
 | P.P. Kandelaars - Technology & Engineering - 1999 - 219 pages
...should be noted that evolutionary biology is broader than Darwinian evolution. Darwin has already stated that ‘natural selection has been the main but not the exclusive means of modification' (Gould, 1997). This short introduction to ecology and evolution may help the reader to understand and... | |
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He was more cautious in publication, for in the first edition of the Origin of Species, which appeared in the same year, he said: "I am convinced that Natural Selection has been the main, but not the 'exclusive, means of modification. 
