Re: macroevolution or macromutations? (was ID) 2/2

From: Cliff Lundberg (cliff@cab.com)
Date: Tue Jun 13 2000 - 05:43:59 EDT

  • Next message: Cliff Lundberg: "Re: macroevolution or macromutations? (was ID) 2/2"

    Stephen E. Jones wrote:
    >Reflectorites
    >
    >On Sat, 10 Jun 2000 22:51:32 -0700, Cliff Lundberg wrote:
    >
    >[continued]
    >
    >>>CL>Integration of symbionts to form a cell, for example--quite
    >>>>impossible?
    >
    >>SJ>See above re "impossible". It sounds like Cliff is trying Chris' trick of
    >>>trying to shift the burden of proof.
    >>>
    >>>And I don't know why Cliff keeps going on about "symbionts". As I
    >>>have pointed out several times, even if Margulis' serial endosymbiotic
    >>>theory(SET)is true (and there are a number of problems with it that I
    >>>have summarised):
    >
    >CL>The point is that this is a mechanism that explains how a sudden increase
    >>in the complexity of an organism could occur.
    >
    >See above on "sudden". And while eukaryotic cells are indeed am "increase
    >in...complexity" over prokaryotic cells, the latter are already fantastically
    >complex (see below).
    >
    >CL>Irreducible-complexity
    >>arguments depend on the straw man of pure gradualism.
    >
    >"Gradualism" is not a "straw man". It is what they actually *teach* in
    >schools and university Biology classes.
    >
    >And "Irreducible-complexity" is *precisely* the test that Darwin himself set
    >as falsifying his theory:
    >
    >"If it could be demonstrated that any complex organ existed which could
    >not possibly have been formed by numerous, successive, slight
    >modifications, my theory would absolutely break down. --Charles Darwin,
    >in The Origin of Species ... In his talk, Behe quickly reviewed the modern
    >theory of evolution and then flashed onto a screen his favorite quote by
    >Darwin from The Origin of Species (see p. 15), acknowledging the kind of
    >evidence that would be necessary to refute the Darwinian theory of
    >evolution. Behe took up the challenge of Darwin's test and asked, "What
    >type of biological system could not be formed by numerous, successive,
    >slight modifications? Well, for starters, a system that has a quality that I
    >call irreducible complexity." (Woodward T., "Meeting Darwin's Wager,"
    >Part 1 of 3, Christianity Today, Vol. 41, No. 5, April 28, 1997, p.14.
    >http://www.christianity.net/ct/7T5/7T514a.html)
    >
    >Evolutionists who rule out "Irreducible-complexity" in principle, are
    >unwittingly making Darwinism even more unfalsifiable, and showing that
    >Darwinism is to them a `religion', rather than just a scientific theory.
    >
    >CL>If symbionts in
    >>an ecosystem can suddenly become one organism, that is a leap in
    >>complexity.
    >
    >See above.
    >
    >>SJ>1. it is only the merger of already *existing* cells. It does not
    >explain the
    >>>*origin* of those existing cells.
    >
    >CL>The general principle can explain how the interrelated machinery of the
    >>cell came to exist.
    >
    >See above. One would then have to come up with a symbiotic story for
    >each one of the separate components of the prokaryotic cell, like:
    >
    >1. the DNA-mRNA transcription system (with its 20 helper enzymes
    >including RNA polymerase);
    >
    >2. the mRNA-protein ribosome translation system (also with 20 unique
    >enzymes for each amino acid);
    >
    >3. the Endoplasmic Reticulum system (smooth & rough);
    >
    >4. the Golgi apparatus (which manufactures, packages, stores, wraps, tags
    >(addresses with a `bar code') and then transports the packages to where
    >they are needed;
    >
    >5. the mitochondria with its automated `utility company' converting fats
    >into ATP, via a miniature electric rotary pump, to drive everything else;
    >
    >6. the chloroplasts in algae and plants which have this ingenious little solar

    >collector system which reflects one photon of light into the photosynthetic
    >reaction centre, which converts light energy into chemical energy;
    >
    >and last but not least;
    >
    >7. the cellular double phospholipid membrane with its own passive
    >transport protein gates and active transport sodium-potassium and proton
    >pumps.
    >
    >Cliff would then need to explain how all those mindless pre-prokaryote
    >symbionts eating each other also just happened to get it so right to lay the
    >foundations for all prokaryotic *and* eukaryotic life for the next 3.8 billion

    >years.
    >
    >>SJ>And it does not explain: a) how in fulfilling
    >>>its own immediate bacterial needs, it just so happened to get everything
    >>>right, sufficient to build all the complex plants and animals for the next
    >3.8
    >>>billion years;
    >
    >CL>Just so happened, in the midst of an astronomical number of what could
    >>be viewed as unsuccessful attempts.
    >
    >Cliff has no independent evidence that there were "an astronomical number
    of...
    >unsuccessful attempts". It is just an *assumption* based on naturalistic
    >philosophy that it must be so, otherwise they couldn't have just happened
    >to get it right in a small number of successful attempts.
    >
    >The evidence is that if they did all merge, that it was a series of unique
    >events. In the case of the mitochondria, for example, the free-living
    >components components, the prokaryotes exist in the trillions, yet never
    >show any signs of forming new, permanent symbiotic mergers like that
    >which would have had to have formed into eukaryotes.
    >
    >The point is that they got it *exactly* right 3.8 billion years *in advance*
    >of their own immediate needs.
    >
    >So Cliff's "Just so happened" is *not* an explanation. It is just restating
    >the problem.
    >
    >A far-sighted Intelligent Designer who could see 3.8 billion years into the
    >future could make sure that all the right components arose and found each
    >other and merged in the right order, so that down the track all subsequent
    >single- and multicellular life could arise, could be expected to do this, *and

    >this could eventually be demonstrated under the ID paradigm*.
    >
    >But a `blind watchmaker' looking only after its own immediate survival
    >needs could never be expected to get this right, and I predict that this could

    >never be plausibly demonstrated under the naturalistic paradigm.
    >
    >SJ>b) why it only happened: i) *twice* (mitochondria and chloroplasts);
    >
    >CL>Nobody says it only happened twice. But mitochondria and chloroplasts
    >>seem to be the best and clearest examples. I am happy to attribute *all*
    >>organic complexity to the genomic integration of symbionts.
    >
    >My point was that all these symbiotic unions would have had to be in the
    >same line, i.e. in a series. That's why it is called *serial* endosymbiotic
    >theory. Plants have *both* prokaryotes and eukaryotes.
    >
    >Cliff might be "happy" to do it by `hand-waving', but where is his detailed
    >theory?
    >
    >For starters, where is his detailed explanation of how the Golgi apparatus
    >arose as a free living prokaryote? And how did other prokaryotes survive
    >without it?
    >
    >Or where is Cliff's detailed explain of how some prokaryotic cells survived
    >without mitochondria and yet were large and powerful enough to ingest other
    >cells which did have mitochondria.
    >
    >And how did the genome itself come from? All living components would have
    >had to have had a genome, just to survive for *one* generation!
    >
    >SJ>and ii) in the *same* line, because all eukaryotes are
    >>>thought under SET to have descended from a common ancestor
    >>>having mitochondria, and plant cells have both mitochondria and
    >>>chloroplasts;
    >
    >CL>Successful innovations accumulate, lineages diverge, I don't see
    >>the problem.
    >
    >So in the end, Cliff is back to Darwinism and the `blind watchmaker'! But if
    >that is the case, then why so we need his theory, since Darwinism can
    >explain it all without Cliff's pan-symbiosis?
    >
    >And the problem is that Cliff's explanation is just a hand-waving tautology.
    >There is no evidence, apart from their mere survival, that these symbiotic
    >unions were any more "successful" than their free-living components. The
    >free-living components, the prokaryotes, are the most successful organisms
    >of all, being able to survive and flourish everywhere.
    >
    >>SJ>2. it would only explain the origin of eukaryotic *cells*. It would not
    >>>explain the design *above* the cellular level that Paley was discussing.
    >
    >CL>The general model could apply above the cellular level. It's a little weird
    >>to think that metazoan organs were once free symbionts, but why not? It's
    >>logically more satisfactory than thinking these complexes evolved
    >>gradually.
    >
    >I have no problem with this in principle. I just want to see Cliff's
    >*evidence* and his *detailed*, worked out theory for *each* metazoan
    >organ: 1) what evidence that it was once a free symbiont? 2) how it could
    >survive without the other components? 3) what would bring these
    >particular components together? 4) what would keep them together-if they
    >were the most successful-why were they?; and 5) how they got it so right,
    >looking only after their own bacterial needs to build a system of
    >components of such fantastic sophistication that it served as the building
    >blocks for all of eukaryotic life for the next 3 billion years?
    >
    >>>CL>How can you make logical arguments *for* microevolution while maintaining

    >>>>that it is false?
    >
    >>SJ>I don't understand Cliff's point. I am able to follow the "logical
    >arguments"
    >>>that evolutionists make and yet believe that they are "false".
    >
    >CL>If the conclusion is false, then either the premises or the logic must be
    in
    >>error.
    >
    >Not really. A scientific theory can be logically sound, but the *evidence* is
    >simply against it. Almost all failed theories were at least logically sound.
    >
    >>SJ>But nevertheless, Goldschmidt has been consigned to the scrap heap of
    >>>"scientific history" by the Darwinists, because there is no known way that
    >>>macromutations could create life's complex designs *naturalistically*:
    >
    >CL>Goldschmidt should be a hero to ID theorists; he recognized the
    >>problem of irreducible complexity.
    > Indeed. But "irreducible complexity" has been recognised even by Darwin.
    >
    >There is an "irreducible complexity" problem in Cliff's own pan-symbiosis
    >theory. Each one of the free-living components had to be complex enough
    >to survive and flourish in plentiful enough numbers so they could find each
    >other and merge by chance. But if they were that successful already, why
    >did they *need* to merge?
    >
    >An Intelligent Designer could have brought all these free living components
    >together in a series of unique, or at least rare, events. That theory better
    >fits
    >the evidence, because there is little or no evidence of such permanent,
    >integrative symbiotic mergers among the free living components today. An
    >ID theory would also better explain why these unions got it so right, 3
    >billion years in advance. And the ID hypothesis could be tested in detail,
    >because no one would deny that human intelligent designers could recreate
    >the situation in a laboratory, using intelligent input, better than a `blind
    >watchmaker' theory could.
    >
    >>>CL>Mayr exemplifies the 'modern synthesis' in his abhorrence of real
    >>>>macroevolution. But in the 21st Century, the Cambrian explosion and
    >>>>its incompatibility with gradualism will come into sharp focus, and
    >>>>macroevolutionary theories will abound, to the dismay of ID theorists
    >>>>who find microevolution an easy target.
    >
    >>SJ>Disagree. Things are headed ID's way.
    >
    >CL>Who can say? Dark ages come and go. I certainly don't see much of a
    >>future for conventional theory.
    >
    >Agreed. Maybe we are coming out of a "Dark Age" - the age of
    >Materialism, into the new renaissance of Intelligent Design?
    >
    >>SJ>Why does Cliff think the majority of biologists since Darwin have always
    >>>been dead against macromutational theories, despite the better fit to the
    >>>fossil evidence they would give? It is because they realise that
    >>>macromutations might be able to explain the odd single character, but
    >>>they have no hope of explaining the origin of *whole complexes* of
    >>>mutually *interacting characters*.
    >
    >CL>We do agree that microevolution is not the answer. Some kind of
    >>macromutation is the answer for me, a designer is the answer for you.
    >
    >The problem is that "Some kind of macromutation" just doesn't work.
    >*Only* the input of "a designer" would work.
    >
    >>SJ>Cliff can `handwave' about macromutations, but let him try to explain
    >>>*naturalistic* `blind watchmaker' macromutations in a detailed, testable
    >way,
    >>>that could explain the origin of even *one* complex biological system, which

    >>>must at all times, fit in with all the other existing systems, without
    >>>missing a beat.
    >
    >CL>The funny thing about using Gould's 'handwaving' expression of objection,
    >>is that it is itself its own best example of 'mere handwaving'!
    >
    >I don't disagree. But Gould at least highlights the problems of Darwinism,
    >like Goldschmidt once did. That's why they are now vilifying him and will
    >ensure that history (which they write) will judge Gould harshly, if he is
    >remembered at all.
    >
    >CL>I have doubts about conventional kinds of testing being able to reproduce
    >>rare events of a billion years ago; we can only theorize as best we can.
    >>But even these long-ago events are observable in principle, and so testing
    >>cannot be logically excluded.
    >
    >So in the end, Cliff's theory is untestable?
    >
    >My argument is that ID *can* test by reconstruction all these intractable
    >materialist origin events, by inserting the input of an intelligent
    >designer, as
    >a place-holder (exactly what happens but illegitimately in materialist
    >theories now), and getting each stage's output to work, as input for the
    >next stage.
    >
    >If science is about what works, then ID *will* work!
    >
    >Steve
    >
    >--------------------------------------------------------------------------
    >"Prebiotic soup is easy to obtain. We must next explain how a prebiotic
    >soup of organic molecules, including amino acids and the organic,
    >constituents of nucleotides evolved into a self-replicating organism. While
    >some suggestive evidence has been obtained, I must admit that attempts to
    >reconstruct the evolutionary process are extremely tentative."
    >(Orgel L.E., "Darwinism at the very beginning of life," New Scientist, Vol.
    >94, 15 April 1982, p.150)
    >Stephen E. Jones | sejones@iinet.net.au | http://www.iinet.net.au/~sejones
    >--------------------------------------------------------------------------
    >

    --Cliff Lundberg  ~  San Francisco  ~  415-648-0208  ~  cliff@cab.com



    This archive was generated by hypermail 2b29 : Tue Jun 13 2000 - 06:17:41 EDT