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Natural selection is not evolution.
-Ronald Fisher
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Natural Selection Is Not Evolution.

Ronald Fisher
Natural selection is not evolution.
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Evolution Natural Natural Selection

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Natural selection is not evolution. yet, ever since the two words have been in common use, the theory of natural selection has been employed as a convenient abbreviation for the theory of evolution by means of natural selection, put forward by darwin and wallace. this has had the unfortunate consequence that the theory of natural selection itself has scarcely ever, if ever, received separate consideration.
Mean Two Theory Of Evolution
You can be a thorough-going neo-darwinian without imagination, metaphysics, poetry, conscience, or decency. for 'natural selection' has no moral significance: it deals with that part of evolution which has no purpose, no intelligence, and might more appropriately be called accidental selection, or better still, unnatural selection, since nothing is more unnatural than an accident. if it could be proved that the whole universe had been produced by such selection, only fools and rascals could bear to live.
Imagination Poetry Intelligence
A complete theory of evolution must acknowledge a balance between "external" forces of environment imposing selection for local adaptation and "internal" forces representing constraints of inheritance and development. vavilov placed too much emphasis on internal constraints and downgraded the power of selection. but western darwinians have erred equally in practically ignoring (while acknowledging in theory) the limits placed on selection by structure and development what vavilov and the older biologists would have called "laws of form.
Law Theory Of Evolution Balance
Throughout his last half-dozen books, for example, arthur koestler has been conducting a campaign against his own misunderstanding of darwinism. he hopes to find some ordering force, constraining evolution to certain directions and overriding the influence of natural selection. [...] darwinism is not the theory of capricious change that koestler imagines. random variation may be the raw material of change, but natural selection builds good design by rejecting most variants while accepting and accumulating the few that improve adaptation to local environments.
Book Design Example
All scientists agree that evolution has occurred-that all life comes from a common ancestry, that there has been extinction, and that new taxa, new biological groups, have arisen. the question is, is natural selection enough to explain evolution? is it the driver of evolution?
Groups Extinction Ancestry
The human brain became large by natural selection (who knows why, but presumably for good cause). yet surely most "things" now done by our brains, and essential both to our cultures and to our very survival, are epiphenomena of the computing power of this machine, not genetically grounded darwinian entities created specifically by natural selection for their current function.
Brain Survival Essentials
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