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originally posted by: StalkerSolent
ETA: seriously, you're complaining about how people refuse to engage and deflect points and then doing it yourself. And, furthermore, I don't have a mission to paint science as a religious belief, nor do I have any desire to equate the two. Don't twist my words. I apologize if I am unclear sometimes; I have nuanced positions that may be difficult to understand. But they should be more than intelligible if you're genuinely interested in understanding them.
originally posted by: Quadrivium
My answer is still the same barcs. Macro evolution "could" have happened. I have said so many times before.
However, "could" does not mean it "did" happen. For a person with a Naturalistic mind it explains things very well.
Still, that does not mean it happened. There is no ACTUAL proof. Only lots people saying there is proof.
ETA: And no they are not the same.
Micro evolution would be when the bill of the finches adapt to better catch food.
Macro evolution would be the finches eventually becoming lizards (just an example).
originally posted by: Phage
a reply to: StalkerSolent
You think one species evolved at a time? A straight line sequence?
Interesting idea but pretty silly and simplistic.
originally posted by: Barcs
originally posted by: StalkerSolent
ETA: seriously, you're complaining about how people refuse to engage and deflect points and then doing it yourself. And, furthermore, I don't have a mission to paint science as a religious belief, nor do I have any desire to equate the two. Don't twist my words. I apologize if I am unclear sometimes; I have nuanced positions that may be difficult to understand. But they should be more than intelligible if you're genuinely interested in understanding them.
There is nothing difficult to understand in your false attempts to portray science as a religion. You didn't make a point, you just copied my paragraph and changed a few words. I'm not going to waste anymore time on that silliness. Either make a point, or don't. It doesn't bother me.
originally posted by: StalkerSolent
Here's a fun exercise for Barcs (and everyone else.)
1. Calculate the time between now and when the first life is supposed to have evolved (3.6 billion years.)
2. Calculate the total number of species supposed to have lived (around 1 billion.) (Link)
3. Calculate the needed rate of speciation per year to get from where we started to where we are now. Average rate: around 1 per every 3 years, if my math is OK...and it may not be.
4. Wonder how this meshes with the evolutionary doctrine that evolution is a slow process that takes place over time (as we've observed in species like the Hawthorne fly
But, you may object, evolution is triggered by certain events and takes place rapidly! Does it, now? Then you have the junkyard tornado problem, which is dismissed because evolution happens slowly. If the evidence indicates that evolution is happening too slowly to explain the species we see today, then the theory has some problems.
Mmmm, no, of course evolutionary theory doesn't hold to linear evolution, but rather descent from common ancestors (the tree of life* and whatnot)–although I didn't take into consideration how that would alter the math, which was an oversight on my part. But I don't see how that would change the *average rate* of speciation needed to explain the diversity of life between the beginning of time and now. I just woke up, though, so perhaps it's eluding me.
Please, feel free to enlighten me!
This has to be a joke. Are you sure you understand what you are calculating there? Evolution isn't linear and doesn't follow a time table, nor does every species evolve one at time in order.
I've broken down the math before on the average mutation rate showing that from ancient ape to modern human works out perfectly and that after around 1 billion years of evolution there are enough potential mutations to completely rewrite a genome. Yes Stalker, it's real math, unlike the math above.
This is why it is beneficial to research the other side. Genetic mutations, and the accumulation of them, is nothing like a tornado going through a junkyard, and honestly that is one of the oldest strawmans in the book.
Genomes are blueprints for organisms. Changing a few code sequences via genetic mutation is more like updating a blueprint for a building schematic. It may not drastically change the building, but perhaps it will use different types of bolts. It is a modification of the design, not a physical morphological change.
I'll say it again, evolution follows the environment, not a set timetable.
It would be a HUGE difference in the rate, are you kidding me? Numerous species evolve at the same time.
Today there are something like 8.7 million species all currently evolving at once. Your calculation is an absolute joke based on big time ignorance of evolution.
I'm aware that that argument is dismissed the by scientific community *because* of the long times supposed to be involved. That's why I brought it up: it's *only* relevant if one presumes evolution happens in massively short bursts. Am I right, or is there something else I'm missing?
Then what does lead to physical morphological change?
Again, I was crunching *averages* not specifics. I'm aware evolution follows the environment.
This post is where I break down the math.
The argument is dismissed by anybody who understands evolution because it shows ZERO resemblance to the way genetic mutations actually work. It's not relevant, no matter how you present it.
I clearly already explained this above. Genetic mutations are like a blueprint being updated. If you do a tiny change here and there, nobody will notice any difference in the final product in comparison with the original. But after hundreds of years go by and the blueprint is updated over and over and over again, you begin to see a noticeable difference between that and the original product. Genetic mutations accumulating is what leads to the morphological changes.
What was your point, exactly?
First, the numbers are based on assumptions, as we do not know the complete evolutionary history of earth because fossilization is rare.
Second, the speciation rate changes constantly. There is no set rate. What are you trying to prove by giving an arbitrary rate of speciation on average for all history of life on earth?
I appreciate you clarifying what you are calculating, now please explain the point of the calculations.
Thanks,
originally posted by: StalkerSolent
In short, my point is that it seems like life should be evolving faster now, given that it would have had to (on average) evolve quite rapidly in the past.
The evidence of speciation we have today is that it takes a *long* time for a species to fully separate into two or more species, and we've never seen large-scale morphological change, so we don't have good current data on that. It seems unlikely that the diversity of life as we know it (we have around 10 million species now, we estimate that's about one percent of all species that have ever lived) could be formed by evolution as it is observed to be happening *today.*
LOL I knew this was what you were trying to say! Man I should become a physic.
How do your numbers have anything to do with rate of speciation TODAY? I already told you that the rate changes depending on the environment, and how many species are roaming earth at the same time. Obviously the more creatures evolving at once, the higher your rate. There is no "on average" speciation rate because you are making it for all organisms in the history of earth.
It is an extreme generalization that doesn't come close to proving anything. You have different environmental changes happening in different places. The speed of speciation is determined by the environmental changes and is usually limited to local areas, with the exception of course being of mass extinction events. You even said that is was just an average because it varies fast and slow, but you are using the average to make ridiculous claims that aren't true for example your quote above. How do you know how rapidly life should be evolving right now? How do you know that it isn't? How do you know that we're not in a slow or fast period right now? You can't use the average of all life on earth to determine it for each individual species or even all life today. It just doesn't work. Each environmental niche is its own thing.
It's not always long. Again, genetic mutations come with each reproducing generation and it depends on the organism and environment. We've observed speciation in a lab directly within a single human lifetime. The reason is because the organisms we study on average live a week or less, so we can directly observe numerous generations. With creatures like humans and chimps this is impossible because we have longer lifespans. It's all about the mutations per generation, not the average of the history of earth. Basically you aren't saying anything with that entire point.
It is logically flawed to say that life should be evolving faster now just because it's more than your silly average which includes a time when there was barely any time at all on earth and obviously was very slow.
Plus your figure is off as well. It really adds up to 1 in 3.8 years, not 1 in 3.
But still that could mean a billion years of evolution where specialization occurred once every 30,000 years, and then a big event changes the earth and you have the rate skyrocketing to 1 change every year for the next 500 million years.
In no way should the average speciation rate of all life in the history of earth influence the rate at which it works today.
originally posted by: Barcs
originally posted by: Quadrivium
My answer is still the same barcs. Macro evolution "could" have happened. I have said so many times before.
However, "could" does not mean it "did" happen. For a person with a Naturalistic mind it explains things very well.
Still, that does not mean it happened. There is no ACTUAL proof. Only lots people saying there is proof.
ETA: And no they are not the same.
Yes, they are defined the same by scientists. It's the same exact process, just over more years.
And thanks again, you just proved my point completely. As Quad clearly demonstrates here, he has deflected the question of mutation accumulation. You didn't address one single aspect of it. What you meant to say there was, "My non answer is the same." You just claimed it was faith based that mutations add up over time, which is blatantly wrong as we have witnessed speciation in a lab and in nature. You offer no explanation whatsoever for this, you just state it arbitrarily as if it is true. If the earth is traveling around the sun at a certain rate, it isn't faith based that this will continue unless some event happens and changes that rate. It's funny how these guys always pretend to be all about the evidence, when they believe their religion is absolute truth.
Micro evolution would be when the bill of the finches adapt to better catch food.
Macro evolution would be the finches eventually becoming lizards (just an example).
This is precisely what I'm talking about. You guys make stuff up, paint science as religion, but fail to address the physical evidence and just deny everything else. I asked WHY you think the mutations don't add up, despite the fact that they do in the short term. Why can't you answer the question without deflecting? I made an entire thread dedicated to that single question and not a single creationist even attempted to answer it.
originally posted by: Blue_Jay33
a reply to: StalkerSolent
The response is, "But But punctuated equilibrium"
DNA & RNA permanently rewriting itself via a huge and fast mutation.
Problem is that doesn't seem to add benefit to the species but rather, makes genetic flaws.
originally posted by: Blue_Jay33
a reply to: StalkerSolent
It's an interesting take on why evolution didn't happen as theorized that's for sure.
Just not enough time, as an old universe, old earth creation guy, I find that perspective most interesting.
I tend to be skeptical of scientific theories unless we can observe them happening in real time. But that's just me.
What type of theories are you not skeptical about unless we can observe them happening in real time?
originally posted by: ReturnofTheSonOfNothing
a reply to: StalkerSolent
How do you regard plate tectonics then?