Posted: Tue Dec 27, 2005 12:03 pm
Who would you say it lies with? Doesn't evolution require abiogenesis?thereal wrote:Luckily, the burden of proof for abiogenesis does not lie with the theory of evolution.
"The heavens declare the glory of God; the skies proclaim the work of his hands." (Psalm 19:1)
https://discussions.godandscience.org/
Who would you say it lies with? Doesn't evolution require abiogenesis?thereal wrote:Luckily, the burden of proof for abiogenesis does not lie with the theory of evolution.
Why not? I'm curious why a theory that tries to explain how all forms of life came about naturally conveniently doesn't have to explain how the first life actually came about. And if this is indeed true, then why is it that Dawkins felt like begging the question in Climbing Mt Improbability, if, as you say, evolution does not need the first life explained naturally?Luckily, the burden of proof for abiogenesis does not lie with the theory of evolution.
I don't consider myself up to date on the literature concerning abiogenesis, but it seems this issue is addressed primarily by chemists as opposed to biologists. You may consider the theory of evolution as reliant on abiogenesis because it requires that life exists in the first place, but the theory of evolution makes no claim as to how life originated. You may consider it splitting hairs, but ToE implies no direct connection with abiogenesis. It's similar to many other fields; principles of nuclear physics don't first assume that at some point protons, electrons, etc. arose from somewhere...the principles are based upon the observeable and do not predict what happened before the observeable (unless you get into theoretical fields).Who would you say it lies with? Doesn't evolution require abiogenesis?
Can you tell us what "life" constitutes in the ToE? In other words, what did the common ancestor look like that requires the ToE to work?thereal wrote:I don't consider myself up to date on the literature concerning abiogenesis, but it seems this issue is addressed primarily by chemists as opposed to biologists. You may consider the theory of evolution as reliant on abiogenesis because it requires that life exists in the first place, but the theory of evolution makes no claim as to how life originated. You may consider it splitting hairs, but ToE implies no direct connection with abiogenesis. It's similar to many other fields; principles of nuclear physics don't first assume that at some point protons, electrons, etc. arose from somewhere...the principles are based upon the observeable and do not predict what happened before the observeable (unless you get into theoretical fields).Who would you say it lies with? Doesn't evolution require abiogenesis?
A reproducing organism...Can you tell us what "life" constitutes in the ToE? In other words, what did the common ancestor look like that requires the ToE to work?
I was reading through this article and it struck me as funny that Darwin received some inspiration for his theory of evolution from animal husbandry.
Does nayone think it odd that if evolution does "what feeble man can do" why would these animal keepers engage in selective breeding at all. If natural selection is so great, why not let the herd run wild and breed as they will.
Was Darwin a moron that he couldn't see that animal husbandry exists because natural selection doesn't provide the "meatier cow, better wool, or fatter chicken". The very fact that natural selection is a myth is what requires animals to be selectively bred.
Does RNA then qualify? Before there were cells or proteins, populations of polynucleotides replicated. And when resources became limited, those that were better replicators became dominant. Before that, there was apparently some organic mechanism that somehow led to random sequence after random sequence, which supposedly accounts for sequences capable of ligating nucleotides, then polymerizing them, etc., until the first pair of RNA replicases were chanced upon. Then the genetic code, transcription, and translation all had to evolve before the first cells could arise.thereal wrote:A reproducing organism...Can you tell us what "life" constitutes in the ToE? In other words, what did the common ancestor look like that requires the ToE to work?
First since you demonstrated how the traits I listed were not beneficial, it is only fair I do the same for yours. You said cows with lots of muscle and chieckens with lots of muscle were maladaptive, so here goes with yours.thereal wrote: Since when do appearance traits, speed, milk and egg composition have nothing to do with survival!!! That's the most ridiculous thing I've ever heard...however, I guess I shouldn't be too shocked. Out of the authors 9 or so degrees, it seems that exactly zero of those degrees are from the fields of ecology, zoology, evolutionary science, etc.
Very touchy subject indeed. The easiest definition a la Webster's is simply "a living body" or "plants, animals, and bacteria", which would then lead to the question of "what is living"? if you choose the first definition. Based on Campbell's Biology 4th ed., life requires order, reproduction, growth and development, energy utilization, response to the environment, homeostasis, and evolutionary adaptation, among other things. RNA does not fit all these criteria, as there is development but not growth, and, depending on how you want to look at it, you could consider it as not utilizing energy or responding to the environment. There also appears to be no homeostatic responses in RNA.I guess the question is how you define organism?
If you go back and read my statement again, I did not say these traits had anything to do with being beneficial. I insinuated that these traits affect survival (positively or negatively) which is contrary to what the author in your link suggested. Given that you provided instances of how those traits could be negative (thus affecting survival), I take it you agree with me and disagree with your source's statement of these factors not affecting survival.First since you demonstrated how the traits I listed were not beneficial
You are mixing selection strategies. You create a situation in which a certain trait is beneficial, then take the selective pressure away and say "Wow, the trait didn't stay in the population". Plus, this design does the exact opposite of natural selection. If you wanted to see the long-hackled individuals propogating, wouldn't you want to eliminate those individuals with short hackles (as you kill the individuals with long-hackles to use them...I'm a fly-tier, so I know this)? Furthermore, when you released those long-hackled individuals into a barnyard, is the selective pressure of having long hackles still there...of course not. By the way, nowhere in ToE does anyone suppose that any trait is ever permanent...I don't know where you're getting that from.So if you put one chicken with a "beneficial" adaptation into a flock the adaptation will disappear.
You let them breed and the selective pressures revert back to those of nature. And of course nature prefers different traits than man.Jbuza wrote: I just don't see any evidence for evolution, or natural selection. I mean if a chicken is in heat the male rooster is gonna breed it. Probably the meatiest rooster is gonna be able to fight off the other roosters, but while he is fighting with another ****, in a barnyard flock a small less desirable Chicken may run in and mate the hen. That is why you have to create the flock by intelligence. Random breeding will never result in good quality dry fly hackle.
Really I'm not sure nature cares what traits the chicken has. Certianly the male rooster is only interested in one trait. A hen in heat. The point is that the mutation doesn't remain permanent. The rooster with the mutation doesn't change the whole flock the whole flock changes the rooster with the mutation.BGoodForGoodSake wrote:You let them breed and the selective pressures revert back to those of nature. And of course nature prefers different traits than man.Jbuza wrote: I just don't see any evidence for evolution, or natural selection. I mean if a chicken is in heat the male rooster is gonna breed it. Probably the meatiest rooster is gonna be able to fight off the other roosters, but while he is fighting with another ****, in a barnyard flock a small less desirable Chicken may run in and mate the hen. That is why you have to create the flock by intelligence. Random breeding will never result in good quality dry fly hackle.
Isolation of such a flock however will keep certain traits from reentering the population. Isolation is the key here.