Sentence examples for natural selection proceeds from inspiring English sources
But where Darwin assumed that natural selection proceeds slowly and orderly--much the way Isaac Newton imagined a clockwork universe--modern investigations have shown that the process more resembles the chaotic world of quantum physics.
Thomas Henry Huxley exulted that "The Origin" was a "veritable Whitworth gun in the armory of liberalism," and though unconvinced about natural selection, proceeded to position himself as "Darwin's bulldog".
If a student's vial has a frequency of red-eyed flies greater than 1/11, evolution by natural selection has proceeded in this population: evolution is evident through the change in frequency and natural selection is evident because it occurs in a predictable manner (increase in abundance of the red-eye variant).
For example, the absence of aging in fissile organisms could be explained readily in terms of the absence of decreases in the forces of natural selection that arise when reproduction proceeds by symmetrical fission.
Maybe in "Evolution II" the process of natural selection will be allowed to proceed further, and we can witness the full flowering of superior life-forms -- or at least see whether they have it in them to make better movies than this one.
Complex epistatic interactions limit the pathways along which evolution can proceed by natural selection.
Each lineage experiences regular, frequent single-cell population bottlenecks, so that natural selection cannot operate efficiently and evolution proceeds almost only by genetic drift.
In this respect the forward selection proceeds in a "natural", although not optimal, way: a new link is added only when it is necessary to increase the quality of fit.
Ecological speciation is the evolution of reproductive isolation as a result of divergent natural selection in different environments and can proceed in the presence or absence of gene flow [ 20].
This is another way of arriving at the conclusion that natural selection reduces to an assumption that evolution proceeds through natural forces and not supernatural forces, as discussed earlier in this essay.
Then, according to this theory, natural selection took over and these lactase-persistent folks proceeded to populate much of Europe with their milk-guzzling offspring.
