What evidence is there for evolution being non-random?

I don't quite see why that would have to be demonstrated. Spell it out for me, please.

See...to him, the randomness involved in mutation is the same as randomness involved in selection...which to him means the whole process of evolution IS random (or a synonym thereof) in the same way mutations are random. I think even the randomites will agree this is not the case.

Multiple people have pointed out that calling the whole process "random" is misleading even if a case could be made for it being technically correct. In his head he seems to equate the randomness of mutation with the entire process of evolution. And that is the very canard that he was supposedly trying to clear up.
 
http://evolution.berkeley.edu/evolibrary/article/0_0_0/misconcep_05

But it’s not random either!

So it is a misconception to view natural selection as a process that perfects organisms. At the opposite extreme, natural selection is sometimes interpreted as a random process. This is also a misconception. The genetic variation that occurs in a population because of mutation is random* — but selection acts on that variation in a very non-random way: genetic variants that aid survival and reproduction are much more likely to become common than variants that don't. Natural selection is not random!

A population undergoes random mutation and non-random selection.

http://evolution.berkeley.edu/evolibrary/glossary/glossary_popup.php?word=random
*random:
Unpredictable in some way. Mutations are "random" in the sense that the sort of mutation that occurs cannot generally be predicted based upon the needs of the organism. However, this does not imply that all mutations are equally likely to occur or that mutations happen without any physical cause. Indeed, some regions of the genome are more likely to sustain mutations than others, and various physical causes (e.g., radiation) are known to cause particular types of mutations.

That is from http://evolution.berkeley.edu --one of the most respected sites on evolution--associated with NCSE. This answers mijo's question, and sums up what biologists are saying. As for those who would describe it differently or who think that calling evolutionary process random is more explanatory, I think you are fooling yourselves. Either that, or you don't understand evolution. I cannot imagine teaching the concept by invoking "diminishing probabilities". I cannot understand what Walter is saying, and I suspect people would leave with a lesser understanding of evolution after talking to him. I don't think mijo has a clue about natural selection and has ulterior motives for continuing to describe evolution as random or with similar synonyms. I think meadmaker is also clueless as to how very often the term "random" is used to obfuscate by creationists though he seems to imagine himself an expert on the subject while refusing to acknowledge the many examples of such confusion while being a cheerleader for using misleading terminology.

You were certainly quick to use the Berkeley site, mijo, when it seemed to imply what you wanted to hear. And it certainly invalidates your conclusion that "we don't know enough to determine whether evolution is random or not."

We do. It's not.

Unless you mean purposeless or unpredictable--in which case just use those words. There is no definition of random that has to do with diminishing probabilities--or if there is, the one you supplied, sure isn't it.

I think that referring to the whole process as random is not only misleading, it fails to detail natural selection--the most interesting part of evolution--the most IMPORTANT part. Natural Selection was Darwin's term--not "survival of the fittest". We are not here "randomly"--we are here because of a continuous line of successful reproduction--as are all living things that inhabit our world. That is more interesting and inspiring and descriptive than all the semantic games about what "random" means.

And it's not that biologists don't understand random, Schneibster--it's, as Paul says, a word with so many meanings and possible connotations that it is relatively useless in describing processes such as natural selection or evolution. It's not even a completely accurate way to describe mutation, but I'm willing to cut some slack there so the overall concept can be understood.
 
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I decided to wade in against kleinman, and wouldn't you know it? In his very first post in response to me he raised that old creationist canard that it was natural selection that drives the development of new organisms. Those guys!

I really wish people would stop saying that, because the creationists take it and twist it. Saying that sort of thing just makes the creationist's job easier.
 
I decided to wade in against kleinman, and wouldn't you know it? In his very first post in response to me he raised that old creationist canard that it was natural selection that drives the development of new organisms. Those guys!

I really wish people would stop saying that, because the creationists take it and twist it. Saying that sort of thing just makes the creationist's job easier.

I joined the discussion very late as well and really just repeated what had been said before me, but even I tried to tell him that the question "what was the selection pressure that created the first gene/organism/whatever?" is a non-sensical question in the first place. He just ignores that answer. He either ignores or completely misrepresents any answer that demonstrates how very wrong his assertions are.

I hope it gives you a sense of why Articulett is so up in arms about this issue. Misunderstanding and misrepresentation are what creationism seems to be all about -- whether it relates to selection or the use of the word 'random' or the possible genetic mechanisms underlying variability.
 
Ick...Kleinman... I remember when he was asking for evidence of gene appearing de novo... every question he asks is loaded and aimed in a way so the lack of an answer leads to his magic answer. As Kleinman illustrates--you can't change the mind of older creationists...they can only hear what they want.

I like the Berkeley site because it is very explanatory for anyone who actually wants to understand evolution, and it addresses many of the more common creationist canards.

The way creationism will die out is by younger people understanding evolution--not by changing the minds of people set in their ways. One thing that always clues me off to a creationist is the complete lack of curiosity or wonder on the very topic they supposedly ask about. No answer is right or exciting or inspiring--they want to stay stuck--they don't want there to be an answer to their question. Non-creationists are almost always eager to find out some new info. on the scientific frontiers--it's exciting to know and understand another piece of the puzzle.

Also, creationists always dismiss or insult or ignore those who seem to answer the very question they are asking. Always. I used to think that if I could clear up their little tiny bit of bafflement they could understand. But they do not want to understand. They just want their beliefs to be true.

The goal is always to obfuscate...never to clarify. They treat scientific knowledge and scientists as if they were arrogant and beneath them without having a clue to their own arrogance and lack of understanding.

I know Meadmaker thinks he's making a point because he doesn't believe confusion over the word random is a real problem--but Kleinman's whole argument boils down to "selection couldn't have built complexity in the allotted time per the ev model (point mutation)". It's all about making the scientific claim look like "miracles by chance"-- or "humans from ooze"-- it just misses the important parts of evolution and inserts "intelligent design" into the murkiness. Also, Meadmaker, I noticed you were careful in talking about selection in steps...as a process...not as something random when trying to explain to kleinman how complexity evolves. Selection chooses from the contenders for the next elimination round. It is not random that some life forms live to reproduce and some life forms don't.

You may well understand evolution; you do not know the mind of creationists.
Your explanations are no better than anyone else's in getting a creationist to understand. And though you were pretty careful to detail the difference between randomness of mutation and "randomness" in regards to selection while talking to Kleinman--your protege mijo, files them both under the same "randomness" --aided, in part by you. He does not understand selection any better than kleinman does. And his curiosity on the subject as measured by his eagerness to understand is about the same. Like Kleinman, you are inserting your own understanding into what he is actually saying.

Mijo's position boils down to--If mutations are random and selection is random and evolution is mutation + selection--then evolution IS random. He then inserts stochastic as a synonym for random as a pseudo appeasement of some sort (pretending to understand something he doesn't?). We are then informed that by random he means "relating to a type of circumstance or event that is described by a probability distribution" (if this is the definition, then what the hell did he mean by asking for evidence regarding evolution being "non-random"?)-- that definition is pretty damn meaningless. And very uninformative. And, a mischaracterization of evolution at best. Your explanation to kleinman was a lot more informative regarding evolution than summing it all up as "random".

Believe it or not, what mijo says is no more useful and accurate than what kleinman says. He's not really saying anything except to expound on the point that "evolution is random" in as many different ways as he can say it. You are hearing meaning that is not there. I'd say the majority of creationist arguments boil down to "how can you get complexity by chance alone?" And mijo doesn't have a good answer any more than Kleinman does. Why? Because they misunderstand (purposely) the selection process.
 
Here is where I disagree, but only technically. Selection, by definition, is the opposite of random. Whether reality follows pure selection, however, is another matter...

I don't quite see why that would have to be demonstrated. Spell it out for me, please.

A deterministic process (which is what I think of when I here "evolution is non-random") is by definition a process where identical inputs yield identical outputs. In the case of evolution, this means that every individual with a certain allele (or collection of alleles) would either survive to reproduce and pass on its genes to the next generation or die before it could reproduce and therefore not pass on its genes on to the next generation. Since this the claim that I think that people are making when they say "evolution is non-random", I am asking for evidence of that claim.

I am not, as articulett wants everybody to think, trying to come up with a simple way to explain evolution to a creationist.
 
If we are talking about analogies I would attack the whole "whirlwind in a junkyard creating a 747" analogy.

Firstly It is obvious that the organisms can reproduce.
Secondly The only "goal" is survival. Not producing a particular species.

A better analgy would be the blind mechanic in a scrapyard trying to make a form of transport, and trying to imperfectly copy those "designs" which are the least bad. (Culling the worst and then randomly selecting from the remainder, according to dice rolls).

*After many iterations* a car or a plane design might emerge.

The chances of getting a 747 are infinitessimal, those of getting a functioning jet airliner design are significantly higher.

I saw a car with the numberplate XD51KKR, What are the odds against that? (To misquote Feynman).


Jim
 
A deterministic process (which is what I think of when I here "evolution is non-random") is by definition a process where identical inputs yield identical outputs. In the case of evolution, this means that every individual with a certain allele (or collection of alleles) would either survive to reproduce and pass on its genes to the next generation or die before it could reproduce and therefore not pass on its genes on to the next generation. Since this the claim that I think that people are making when they say "evolution is non-random", I am asking for evidence of that claim.

I am not, as articulett wants everybody to think, trying to come up with a simple way to explain evolution to a creationist.

No, you are trying to prove to yourself that evolution IS random--and by random you mean that "identical alleles don't result in identical outputs as far as survival and reproduction." As Paul and others have said, it is your unclarity regarding randomness and your complete misunderstanding of selection that makes you unable to explain evolution in a meaningful way--or even convey the notion that you understand it.


And it is true that perhaps I'm confusing the last two threads you started. In the last one the opening post states:

I'm sorry if this post is confusing but I am trying to understand the creationist (or ID) position by think thinking like an creationist (or ID proponent). This means at least indulging those positions as if they are honestly posed.

In this one you write:

What evidence is there for evolution being non-random?
The title of the thread says it all....
I only ask this, because I am thoroughly disappointed in the evidence that I have received from the posters in this thread. No-one to my knowledge has either explained how a process that operates on probability is non-random or directed me toward a resource that does. They all seem to be more interested, as is most of the literature on the internet that doesn't specifically deal with non-random genetic processes such as mutation and unequal cross over, in refuting the creationist straw man that holds that organisms in their current state are far too complex to have arisen by chance.

Okay, you have now been given a link by me to the Berkeley site that you yourself endorse that answers that question exactly. But you know as well as I do, that your question is the real problem--just like it was on the fossil thread--just like Kleinman's questions are. They are not designed to clarify understanding but to lead to the conclusion you want. You have some vague definition of random and seem to apply it equally to both mutation and selection though they most certainly are not "equally" random by any sense of the word. It is just as useful or even more informative to say mutation is not truly random and selection is the opposite of random in that it is the elimination round to see which organisms live and have a chance at reproduction. Even the sperm that made you wasn't any "random" sperm...it had some qualities that others lacked that gave it an edge in fertilizing the egg. It may have not been the most fit--but it underwent a selection process which allowed a sperm that is better than any random sperm to fertilize the egg. (There is a higher rate of birth defects when physicians artificially fertilize an egg, because they ARE choosing a random sperm that did not undergo any kind of elimination testing...)

And your motive keeps changing. Now you want as an exact definition of evolution as possible. Even the people that agree with you have told you to give up with the word random. Your definition of it is meaningless. I don't know of anyone that defines randomness as a series of diminishing probabilities. By your definition, can any selection process be considered non-random? Could artificial selection? The processing of foods? Mate selection? Abortion? Medical treatment? They all contain elements of randomness don't they? Are these all random processes too--because your definition sure seems to say so. But I wouldn't call any process "random" because random implies a singular event--and process implies a series of connected events. Stochastic refers to getting a pattern or snapshot of random events--it connects the random to further understanding.

If your goal is to clarify your own or anyone else's understanding of evolution, you have failed. Yes, there is no pre-planned purpose to life or evolution--in that way, and only that way, our existence is due to chance--but what lives to reproduce and what dies before doing so is not random...if you want to take the incredulity claim from the chance argument--you must understand how evolution selects the "winners" to build upon through time. You must understand the climbing Mount Improbable analogy. It absolutely is THE key for understanding evolution and explaining it to another. Natural Selection is how the "magic" is done. Once you understand it, an intelligent force is unnecessary. Life evolves itself in much the same way the internet evolves itself. Blindly--but connected to that which came before...and refined as we go. I suppose you could say the internet is evolving randomly, but why would you? Why would anyone find it useful to describe any process as random given the many meanings of that word? Random generally applies to singular events in time...even in your own definition. Selection and thus evolution is a connected series of events over time.

And, meadmaker, biologists don't misunderstand the word--we are just trying to convey an important and profound concept in the clearest and most meaningful way possible to as many people as we can. It's a privilege that we live in a time when we can know this stuff. Personally, I think that Dawkins and Sagan convey it beautifully--so does Neil Tyson. You're not so bad yourself when talking to Kleinman (though it's futile)--but you certainly did not sum up evolution as "random" when talking to him. You took the time to explain a bit about the step by step process of selection.
 
If we are talking about analogies I would attack the whole "whirlwind in a junkyard creating a 747" analogy.

Firstly It is obvious that the organisms can reproduce.
Secondly The only "goal" is survival. Not producing a particular species.

A better analgy would be the blind mechanic in a scrapyard trying to make a form of transport, and trying to imperfectly copy those "designs" which are the least bad. (Culling the worst and then randomly selecting from the remainder, according to dice rolls).

*After many iterations* a car or a plane design might emerge.

The chances of getting a 747 are infinitessimal, those of getting a functioning jet airliner design are significantly higher.

I saw a car with the numberplate XD51KKR, What are the odds against that? (To misquote Feynman).


Jim

I love your feynman misquote.

When I hear the 747 analogy, I explain that a better analogy would be that 747s and all airplanes are an example of evolution with the first airplane being their common ancestor. All are built upon modifications of the first design and then honed as they go to fill niches better. Today's airplanes were never in the mind of the Wright brothers--

If a gene had a goal it would be to get as many spawns of itself into the environment as possible--it doesn't have such a goal, but those genes that create vectors that are more likely to pass on the genes do just that. I always think of religion as a meme/gene whammy. It tells you to go forth and multiply ensuring that the religious (and whatever genes are associated with religiosity) are widely distributed and then these gene vectors are indoctrinated with the meme from childhood...giving the whole religion that spawned the memes more members who recruit members because that is the key to salvation...

Certainly, I don't think being religious is being more fit--however, it does encourage duplication of itself both via genes (lots of kids for god) and memes (life is a test for salvation).

A tornado is better associated with randomness--a single event not connected to the past or future. Evolution is a process of accumulated benefits accrued through time. You would need tons of tornados and some means of selecting useful pieces from the tornado debris to even come close to an anology for evolution.
 
A tornado is better associated with randomness--a single event not connected to the past or future. Evolution is a process of accumulated benefits accrued through time. You would need tons of tornados and some means of selecting useful pieces from the tornado debris to even come close to an anology for evolution.

True, I was wondering about saying "ah but what if this tornado had produced a cessna and not a Jumbo?" But then decided that that would muddy the waters too much. It might get actross the point that the form might be similar, but not identical.

As you say, the point is that it builds on the previous generations, which a whirlwind can't.

ETA.

Yes your quibble that the "goal" is reproduction is true, and an improvement on what I had typed. (ook).

Jim

I am slightly wary of talking about the evolution of aeroplanes, as their designs were not altered by chance, nbut by design. Which I what I was trying to get across with the mechanic.

Maybe an evolutonary description of the monkey typing on the keyboard to produce some English prose? (That is how my posts originate) and there is plenty of evidence that I am not the only one to work like that on the internet.

Jim
 
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The word 'random' implies to most lay people a memoryless process. As evolution is dependent on information being retained from one generation to the next, using the word 'random' to explain it to others is (IMO) a bad idea.
 
The word 'random' implies to most lay people a memoryless process. As evolution is dependent on information being retained from one generation to the next, using the word 'random' to explain it to others is (IMO) a bad idea.

Well put. And it's bad because, as this thread demonstrates so very well, it's downright confusing!
 
I agree. I agree. And lest anyone think that "intelligent design proponents" aren't regularly using semantic ambiguity to make evolution difficult to understand or murky, this was posted at Pharyngula today:
http://scienceblogs.com/pharyngula/

Another crazy Pennsylvania school teacher

Category: Creationism

The delusional creationists are everywhere, and the funny thing is how many of them consider themselves brilliant, well-informed, and objective, when what you discover on examining their claims is that they are foolish, ignorant, and blinded by religious bias — and obviously, they don't even know it. Take, for instance, this high school teacher who issued a debate challenge.

Ritter, 59, has taught chemistry and physics at Annville-Cleona High School since 1997. Ritter says he has no religious motivations, and he was not arguing for intelligent design or creationism. He said he was barely aware of the controversy about evolution and intelligent design in the Dover Area School District until the issue went before a federal judge in late 2005.

Hooray for high school science teachers, they can be terrific. Unfortunately, this one who has no religious motivations and doesn't argue for ID creationism or plain old creationism, was arguing against evolution, calling it "bad science." As for his lack of awareness of the Dover controversy…he's from central Pennsylvania, about an hour's drive from Dover. Shouldn't that self-announcement of utter obliviousness be an immediate warning that either he's rather unqualified to be discussing the issue, and/or he's hiding his actual motivation?

I vote for both—he's hiding his beliefs. Later in the article, he mentions a few of his reasons.

While he said he has no religious motivations, one of his criticisms of evolution is that it promotes atheism.

"When evolutionists say that a creator cannot exist, they are saying God cannot exist," Ritter said.

I'm also voting for "obliviousness," since you have to be a complete fool to trot those old claims out as arguments against evolution, while simultaneously trying to pretend you're completely open on the question of religion. Oh, well, the good news is that he only teaches physics, so he doesn't have much opportunity to mislead his students about biology. I hope.

Meadmaker, they are never forthcoming with their motivations. Anyone who doesn't believe in some sort of intelligent design, answers clearly like you did. Especially amongs other skeptics and scientists. The rest answer obliquely in such crowds. Evolution does put at least some gods into question--Most American religions are based on the concept of "original sin" (the reason god had to kill his kid who was him)--evolution makes this at best--a parable. Who kills their kid for a parable? Their fears are well founded-- teaching evolution can create atheists. But I think that's a good thing.
 
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And, articulett, you decide that what I am saying is deliberately confusing and that I am advocating intelligent design, because what I say challenges the preconception that evolution is non-random. The fact is that I have provided the same definition of "random" repeatedly and you have not explained why evolution does not fit that definition. Instead, you have said that evolution is not random due to aspects of the process that are irrelevant to definition I provided.

I agree that "random" is a poor choice of words when trying to describe evolution because of the connotations that it has, but it does not mean that process of evolution is not inherently probabilistic.

As I have said before, natural selection only favors the reproduction of favorable alleles (or collections thereof); it does not guarantee that every instance of an allele (or a collection thereof) will be reproduced. This, as I understand it, is the standard formulation of natural selection; if you think that I don't understand please explain it to me instead of just telling me that I don't understand.
 
Understanding Evolution said:
But it’s not random either!

So it is a misconception to view natural selection as a process that perfects organisms. At the opposite extreme, natural selection is sometimes interpreted as a random process. This is also a misconception. The genetic variation that occurs in a population because of mutation is random — but selection acts on that variation in a very non-random way: genetic variants that aid survival and reproduction are much more likely to become common than variants that don't. Natural selection is not random!

A population of organisms undergoes random mutation and non-random selection.

I find it interesting that the bolded red phase is completely ignored in favor of the next bold sentence and the italic sentence after it. The fact that fitness only makes an individual "much more likely to become common than variants that don't" has always been my argument, but it seems it is routinely minimized by biologists who discuss natural selection. Because fitness is a likelihood of passing on one's genes to the next generation, natural selection is, at least according to this description, based on likelihoods, which are more rigorously referred to as probabilities, and is therefore a stochastic process. The succeeding sentences (i.e., the bold and italic) seem to directly contradict this idea in so far as a limited sense of "random" (i.e., the sense in which I am using it) can be equated with "probabilistic" or "stochastic".
 
Taffer said:
I hope it is well understood that "increasing information" is not a meaningful concept.
Nope, not well understood. We mean Shannon information, so it's equivalent to decreasing uncertainty. Why can't it increase?

~~ Paul
 
And, articulett, you decide that what I am saying is deliberately confusing and that I am advocating intelligent design, because what I say challenges the preconception that evolution is non-random. The fact is that I have provided the same definition of "random" repeatedly and you have not explained why evolution does not fit that definition. Instead, you have said that evolution is not random due to aspects of the process that are irrelevant to definition I provided.

I agree that "random" is a poor choice of words when trying to describe evolution because of the connotations that it has, but it does not mean that process of evolution is not inherently probabilistic.

As I have said before, natural selection only favors the reproduction of favorable alleles (or collections thereof); it does not guarantee that every instance of an allele (or a collection thereof) will be reproduced. This, as I understand it, is the standard formulation of natural selection; if you think that I don't understand please explain it to me instead of just telling me that I don't understand.

I don't think you should worry about what I think. And yes, I do think you are purposely promoting confusion. Your opening post suggests that you are interested in why someone would call selection non-random or even the opposite of random, and multiple descriptors were given--all of which you reject. You have no curiosity about the ways in which mutations are not truly random but an ever ready antennae for a way to link selection to randomness so that you can conclude "evolution is random"...via a long about route of probabilities and not every allele surviving. Your tortured description of evolution as random does not differentiate between the far more randomness of mutation and selection which may be influenced by random events. The problem with this way of explaining things is that it says nothing...it renders every single process random if any of it's components are random. By your definition, I cannot think of a single process that couldn't be called random. And that makes the definition useless. Moreover, it is misleading as multiple people have noted...because a process like selection or evolution are based on a series of events; whereas "random" events are associated with one time events--not connected with the past or future. You can not get the "climbing mount improbable" analogy without understanding that connectedness. You are so hung up on how random events might affect selection that you seem completely blind to the incremental effects selection has over time. You are lost in a technicality and piss the entire meaning.

You have no interest or seeming understanding of why biologists call selection "non-random" or the de-randomizer. You don't hear anyone when they tell you that random (and all your synonyms--probabilistic, stochastic, etc.) are very poor ways to convey the ratcheting of genomes through time. You admitted on the last thread that you had no idea about the changes of fossils through time, and on this one you pretty much show that you have no real idea about genomes changing through time. What you are saying isn't really wrong--just uninformative. Unclear. Obfuscating. It allows people including yourself to hear what they want to hear. And that is what makes you sound like a creationist to me. In reality, you asked a question that you didn't want the answer to--or that can't be answered simply--that shows a kind of ignorance... that is what creationists do. And then you reject all the answers and say inane things like "I'm not unconvinced that evolution is non-random" and "we don't have enough information to determine whether evolution is random or not". This might sound like it means something. But it doesn't.

The Berkeley website, Talk Origins, and Richard Dawkins seem to have enough information to say that describing evolution as random is misleading if not wrong. The same goes for probabilistic and stochastic... it just doesn't convey any information that helps anyone understand the topic. Even the other randomites are referring to a different type of random--more akin to "without a purpose" then "diminishing probabilities". And when pressed, they reveal a much more detailed and less murky understanding of selection then anything that you post.

If you goal is to get a precise definition or understanding of evolution or to understand how selection is non-random-- you have admittedly, failed.
If your goal was to come to the conclusion that yes, evolution is random (whatever the hell that means), then you've succeeded. Just like Kleinman. And Behe. When someone suggested Meadmaker might have motives for fixating on describing evolution as random, he was adamant that wasn't the case, and went on to differentiate the details on this thread and others as to what selection was and how it builds complexity. So did Schneibster, your other advocate. When someone suggested that arguing against evolution being random was like the creationist argument, I pointed out that, it was very different. I understand design from the bottom up. Creationists claim design from on high. Understanding evolution really truly requires an understanding of bottom up design. Even those on this thread who are calling evolution random show a strong understanding of bottom up design--the ratcheting--the pruning through time. You do not. Your "precise" definition negates it. You spend your energy trying to prove evolution random or worrying about whether I or someone else thinks you are a creationist. Why aren't you just interested in having your question answered? Or understanding evolution? Or finding a definition that others find useful and accurate and descriptive. Why are you concerned with random events like meteors and their affect on selection when you haven't got a basic understanding of selection or the time scale or why living to reproduce is the measurement for "the fittest"? You are fixated on the exceptions to the rule, when you haven't even got the rule. And you repeatedly dismiss both talk origins and the Berkeley site except when they seem to say what you want to hear. The same goes for everyone posting on this thread.

To me, it seems just like your other thread. You ask a stupid question that really can't be answered well--then insult the people who try to answer or show you why it's a bad question...and then conclude your own answer to the question--basically that "science can't answer my question". And then you insult those who question your motives.

That's exactly what a creationist does. What's the difference? If you don't want to be confused with one--try a different approach. I'm not to blame for your misleading insincere questions. You are. Otherwise, why would it possibly matter that someone out in cyberland has pegged you as a creationist? If you actually want to understand something, you might show a little more curiosity and a little less dismissiveness of all answers, the other thread, supposed "straw men", talk origins, known creationist "wedges", etc. I mean, if your goal is to truly understand evolution--you have a fantastic source here. When you insult these sources and the effort they've taken on your behalf to stick up for you, clarify your understanding, lead you to links, etc., what else is one to think?
 
You're not so bad yourself when talking to Kleinman (though it's futile)--but you certainly did not sum up evolution as "random" when talking to him. You took the time to explain a bit about the step by step process of selection.

It's a circumstance thing. If he does say that evolution is random, I promise you, though, that I won't try and correct him on that point, unless it's obvious that that is the source of an error. In my experience, it usually isn't.
 
Nope, not well understood. We mean Shannon information, so it's equivalent to decreasing uncertainty. Why can't it increase?

~~ Paul

I'm not sure I understand...

A fast and messy search of the wiki article on "Shannon information" does not yield the word "evolution" once, not that this is particularly indicative of anything.
 

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