It is interesting to note in passing that Alfred Russel Wallace presented a precisely similar outline of nature's workings at about the same time as the statement by Darwin of his theory of natural selection.
The third element of the process of natural selection is the struggle for existence which is to a large extent the direct consequence of over-multiplication.
Natural selection proves to be a continuous process of trial and error on a gigantic scale, for all of living nature is involved.
The singular attraction which draws me towards her cannot be explained by the law of natural selection.
My aunt, who, if she ever heard about Darwin would call him a wicked writer, has unconsciously adopted his theory of natural selection.
It insists that art has something to say to literature, that in this field as elsewhere holds good the law of natural selection of types and survival of the fittest.
At the same time it concerns our argument but little whether natural selection is "omnipotent" or of only secondary importance in evolution, as long as it is a real factor, or which theory of heredity or variation is the more probable.
Our argument is not directly concerned with modern theories of heredity, or variation, or with the "omnipotence" or secondary importance of natural selection.
Some instincts would seem to be the result of non-intelligent, perhaps unconscious, habits becoming fixed by heredity and improved by natural selection; others would appear to be modifications of actions originally due to intelligence.
Of Mr Patrick Matthew, who buried his treasure in an appendix to a work on "Naval Timber and Arboriculture", Darwin said that "he clearly saw the full force of the principle of natural selection.
I would give absolutely nothing for the theory of Natural Selection, if it requires miraculous additions at any one stage of descent.
On the theory of Natural Selection there is a wide distinction between Rudimentary Organs and what you call germs of organs, and what I call in my bigger book "nascent" organs.
Mr. Darwin's Theory of the Origin of Species by Natural Selection.
In order to bring about that wonderful event, the Creation of Man, natural selection had to call in the aid of other agencies, and the chief of these agencies was the gradual lengthening of babyhood.
They have probably approached the critical point where variations in intelligence, always important, have come to be supremely important, so as to be seized by natural selection in preference to variations in physical constitution.
Our Tanais, which in nearly all the particulars of its structure is an extremely remarkable animal, furnished me with a second fact worthy of notice in connection with the theory of the origin of species by natural selection.
The interest of the question came home to every person of intelligence, whatever his calling, and the more deeply as it became more and more clear how far-reaching are the real bearings of the doctrine of natural selection.
He read the paper, and, to his amazement, found that it contained an outline of the same theory of "natural selection" which he himself had originated and for twenty years had worked upon.
In 1831 Patrick Matthews stumbled upon and stated the main doctrine of natural selection in evolution; and others here and there, in Europe and America, caught an inkling of it.
At the same time came Huxley's Man's Place in Nature, giving new and most cogent arguments in favour of evolution by natural selection.
Wells developed a theory of evolution by natural selection to account for varieties in the human race.
These quantities get fixed by natural selection in a single race which always lives in the same environment, i.
And yet it would scarcely be too much to expect some marked change in a period so long as that, even through the slow-working agency of natural selection; for it is not as if there had been an exact balance of power between them.
I, "The Duration of Life," has shown that size and longevity are determined by natural selection.
Wallace, Contributions to the Theory of Natural Selection, chap.
Thus in respect to the winglessness of the Madeira beetles he wrote:-- "In some cases we might easily put down to disuse modifications of structure, which are wholly or mainly due to natural selection.
And what is the proportion between the shares attributable to use and disuse and to natural selection respectively?
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "natural selection" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
