Sentences with phrase «by natural selection as»

There is a psychological sense of purpose in individual human mind, which likely evolved by natural selection as a property of the human brain which gives advantage to the survival of the human race.

Not exact matches

Here's the rest of it:»... Reason tells me, that if numerous gradations from a simple and imperfect eye to one complex and perfect can be shown to exist, each grade being useful to its possessor, as is certainly the case; if further, the eye ever varies and the variations be inherited, as is likewise certainly the case; and if such variations should be useful to any animal under changing conditions of life, then the difficulty of believing that a perfect and complex eye could be formed by natural selection, though insuperable by our imagination, should not be considered as subversive of the theory.

Scientists may think they have good reasons for believing that living organisms evolved naturally from nonliving chemicals, or that complex organs evolved by the accumulation of micromutations through natural selection, but having reasons is not the same as having proof.

In fact, Darwinian natural selection is defined as a process by which superior varieties exterminate their inferiors, whether by attacking them directly or by competing more effectively for limited resources.

As one put it, «The man of this philosophy is nothing but... a worm of the millionth generation, or a monkey with some enlargement of the brain, set upright, tail removed, the forearm shortened and the hand perfected by natural Selection.»

As one who has studied genetics and mechanisms of evolution for most of her life» evolution by natural selection being the one with which I am most familiar» I can say with a high degree of confidence that Prof. Carlin has no clear idea of what «Darwinism» means.

For example, in criticising Dawkins, he points out that «If every step in the series [of evolution] occurs by chance... the end can not be ordered», apparently unaware that Dawkins does not view evolution as entirely random, but allows for a certain direction, provided by the mechanism of natural selection (p. 51).

One of the most unpalatable lessons of history is that evil is often perpetrated by people who think they are doing good as midwives of progress, agents of natural selection, saviors of Christendom — whatever.

In my review I was not referring so much to his concession (quoted by Mr. Ghelardi) that if God does not exist then natural selection is our best available candidate for how complex forms came to be» although that quote certainly is as good an indication as any of my contention that the design argument will only end up becoming a breeding ground for atheism, a fetid terrarium for a whole new brood of Richard Dawkinses (not a pleasant thought, that).

This is made clear by the definition of its very proponents: «the theory of intelligent design (ID) holds that certain features of the universe and of living things are best explained by an intelligent cause rather than an undirected process such as natural selection.

In the present state of hominization, as we see it in progress today, the statistical influence of chance and the part played by natural selection continue to be enormous.

All he says is: «I am continually astonished by those theists who... seem to rejoice in natural selection as God's way of achieving his creation... God wouldn't need to do anything at all» (ch.

This may happen, both by virtue of damage done to the chromosomal structure and as a result of keeping alive the offspring of human specimens with poor genetic endowment who otherwise would have, by natural selection, died before reaching childbearing age.

The Britannica tells us that «evolution is accepted by all biologists and natural selection is recognized as its cause....

Wilson has dedicated his life to persuading us to think of ourselves as animals who, by dint of luck and natural selection, have evolved to possess highly complex brains.

I'm seeing a lot of comments where people accept that evolution per se occurs, but either deny that there is evidence of life arising by the theory of evolution by natural selection or just want to treat creationism as equal to that theory in the classroom.

The Inst.itute defines it as the proposition that «certain features of the universe and of living things are best explained by an intelligent cause, not an undirected process such as natural selection.»

Reason tells me, that if numerous gradations from a simple and imperfect eye to one complex and perfect can be shown to exist, each grade being useful to its possessor, as is certain the case; if further, the eye ever varies and the variations be inherited, as is likewise certainly the case; and if such variations should be useful to any animal under changing conditions of life, then the difficulty of believing that a perfect and complex eye could be formed by natural selection, should not be considered as subversive of the theory.»

Read the Book of Genesis from start to finish, trying to take no breaks, trying to keep as - open - a-mind as possible, and trying (this is very difficult, but do please try) to forget that there is some apparent controversy between Creationism and the theory of evolution by natural selection.

Evolution was not of major interest to most of these biologists, but insofar as they had a theory of it, it was a theory in terms of mutations of individual genes, carried by individual organisms and submitted to natural selection.

You see evolution is defined as «change in the gene pool of a population from generation to generation by such processes as mutation, natural selection, and genetic drift.»

3At present, for example, the well - entrenched neo-Darwinian hypothesis of «gradualism» (biological evolution occurs slowly, and more or less continuously as the constant interplay of random variations and natural selection over vast periods of time) is confronted with a somewhat more radical and neo-Lamarckian theory of «punctuated equilibrium» favored by Harvard biologists Stephen Jay Gould and Peter Williamson, collaborated by fossil discoveries of paleontologist and cultural anthropologist Richard Leakey in Africa.

If, on the other hand, we define evolution in the Darwinian sense — as a process of random mutation and natural selection by which all living beings have arisen by chance from single - celled organisms over 100's of millions of years — we may not be on equally firm ground from a scientific perspective.

Since a short polypeptide can not function at all as an enzyme, you can not «evolve» an enzyme from it by natural selection.

It is the combination of randomness and the winnowing process called natural selection that is offered as an answer by neo-Darwinists.

What the process paradigm generalizes as the principle that «the many become one, and are increased by one,» Kauffman conceptualizes as spontaneous exhibitions of new degrees of order that may play as fundamental a role in shaping evolution as does the Darwinian process of natural selection.

As for the Eye — Creationists only ever refer to the rhetorical portion of Darwin's statement in which he said «to suppose that the eye... could have been formed by natural selection, seems, I freely confess, absurd in the highest possible degree» — but they never point out that he then went on to describe the evolutionary path of the eye — a theory which over a hundred years of careful research has confirmed.

Modernism developed on the basis of the Newtonian universe, conceived as a complex inanimate machine, operating in absolute space and absolute time according to its own internal laws, which were also believed to be eternal and absolute.4 Understanding this «natural world» was the key to everything; physicists set about uncovering the laws by which the physical world operates; Adam Smith looked for the natural laws by which the economy operates; Darwin thought he had discovered, in the law of natural selection, the origin of species.

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The report looked at a selection of natural resource management technologies rolled out by the International Rice Research Institute (IRRI) as part of the Irrigated Rice Research Consortium (IRRC) mandate in Bangladesh, Indonesia, Vietnam, and the Philippines.

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Guided by a visiting teacher naturalist in the classroom, students will use bird puppets to experience how natural selection works as they try to survive with their adaptations in the island environments available to them.

Charles Darwin established evolution as a viable theory by articulating its driving force, natural selection (Alfred Russel Wallace is recognized as the co-discoverer of this concept).

Darwin theorized that species and breeds developed through the processes of natural selection as well as by artificial selection or selective breeding.

As for Darwin, Wolfe presents the greatest biologist in history as a petty thief who stole credit for the theory of evolution by natural selection from Alfred Russell Wallace, who was (Wolfe alleges) screwed over by the British gentlemen's club conspirators who rigged the system to give Darwin credit for prioritAs for Darwin, Wolfe presents the greatest biologist in history as a petty thief who stole credit for the theory of evolution by natural selection from Alfred Russell Wallace, who was (Wolfe alleges) screwed over by the British gentlemen's club conspirators who rigged the system to give Darwin credit for prioritas a petty thief who stole credit for the theory of evolution by natural selection from Alfred Russell Wallace, who was (Wolfe alleges) screwed over by the British gentlemen's club conspirators who rigged the system to give Darwin credit for priority.

More recently, a report by Kevin N. Laland of the University of St. Andrews in Scotland and his colleagues in Nature Reviews Genetics, building on an earlier proposal by Robert Boyd of the University of California, Los Angeles, and Peter J. Richerson of U.C. Davis, argued that human culture, defined as any learned behavior, including technology, has been the dominant natural selection force on modern humans.

But the neat concept of adaptation to the environment driven by natural selection, as envisaged by Darwin in On the Origin of Species and now a central feature of the theory of evolution, is too simplistic.

But just as living organisms are shaped from the bottom up by natural selection, the economy is molded from the bottom up by the invisible hand.

Mr Esquerre said not all evolution was driven by natural selection, but examples such as pythons and boas reinforce its importance in shaping biological diversity.

Acquired - characteristic inheritance is known as Lamarckism, after French biologist Jean - Baptiste de Monet de Lamarck, who proposed the idea in 1809, and is today almost universally rejected in favor of evolution by natural selection of random genetic mutations.

The fastest and most famous case of evolution by natural selection is the case of the British peppered moths: In the 19th century, as mills and factories began to darken the air with soot, a rare all - black mutant quickly became more common in Britain than the normal white moth with black spots because it was less conspicuous to predators.

The functional portion of the genome is described as that which has a selected - effect function, that is, a function that arose through and is maintained by natural selection.

As subpopulations moved into isolated areas, how did they remain isolated over a long enough time for new species - defining traits to arise in nuclear genes and become enriched by natural selection to permit speciation?

While revolutionary new ideas such as evolution by natural selection, or quantum physics, are once - in - a-generation occurrences, the sands of science are continually shifting in less dramatic ways.

Genetic algorithms mimic natural selection by describing a design as if it were a genome constructed from segments.

«It has long been speculated that hair features could have been influenced by some form of selection, such as natural or sexual selection, and we found statistical evidence in the genome supporting that view,» added Dr Adhikari.

Almost half of the people died before age 15, for example, suggesting that they had traits disfavored by natural selection, such as susceptibility to disease.

That evolution by natural selection is a «universal acid,» as Dan Dennett put it @ScienceNews @SciFleur

-- Moyzis and Wang theorize that natural selection probably favored different abilities and dispositions as modern groups adapted to the increasingly complex social order ushered in by the first human settlements.

At one point, he explained that so many more babies survive childbirth now that natural selection, as proposed by Charles Darwin, can not act on humans to favor infants with traits that are beneficial today or to weed out those with adaptations that impair survival.