...convinced that species are not immutable; but that those belonging to what are called the same genera are lineal descendants of some other and generally extinct...I am convinced that Natural Selection has been the main but not exclusive means of modification. CHAPTER I VARIATION UNDER DOMESTICATION Causes of Variability...

...convinced that species are not immutable, but that those belonging to what are called the same genera are lineal descendants of some other and generally extinct...of that species. Furthermore, I am convinced that 18 natural selection has been the most important, but not the exclusive, means of modification. * *...

...Struggle For Life" Darwin stated that natural selection is not the only means of evolution. In his words, "Furthermore, I am convinced that Natural Selection...important, but not the exclusive means of modification" (Darwin 1859). Zavarzin (2000) has referred to this alternative aspect of evolution as the "non-Darwinian...

...evolutionary science where evolution is seen as much more than merely adaptive. Darwin himself wrote, "I am convinced that Natural Selection has been the...important, but not the exclusive, means of modification." And one no less than Stephen Jay Gould in a Scientific American article wrote, "Yet powerful though...

...storv, as even Darwin himself had acknowledged, saying in the introduction to The Origin of Species that "Natural Selection has been the most important, but not the exclusive, means of modification." Natural selection couldn't be the sole explanation of life on earth, Kauffman decided, the reason being...

...convinced that species are not immutable; but that those belonging to what are called the same genera are lineal descendants of some other and generally extinct...manner as the acknowledged varieties of any one species arc the descendants of that species. Furthermore, I am convinced that Natural Selection has been the...

...several other evolutionary forces. Indeed, he ends the Introduction to the Origin by explicitly stating: "I am convinced that Natural Selection has been the...important, but not the exclusive, means of modification" (Darwin 1959, p. 75). Sexual selection, for example, might result in characteristics (eg, the long...

...but that those belonging to what are called the same genera are lineal descendants of some other ... Furthermore, I am convinced that Natural Selection...important, but not the exclusive, means of modification. (DARWIN, OS:4) Noch prägnanter faßt Spencer die Koppelung von innerer und äußerer Kausalität zusammen,...

...to note that the process by which evolution occurs is open to debate. 'Furthermore', writes Darwin, 'I am convinced that Natural Selection has been the...important, but not the exclusive, means of modification'. As an outsider and non-expert, I need only note that there are serious and heated debates within contemporary...

...placing the following statement in a maximally conspicuous place at the very end of his introduction: "I am convinced that Natural Selection has been the...important, but not the exclusive, means of modification." Natural selection is not fully sufficient to explain evolutionary change for two major reasons. First,...