If you are getting your information from a place like the Discovery Institute, you should probably do a little background research. The DI is obviously biased and has published misleading information, if not flat out lying.
http://en.wikipedia.org/wiki/Discovery_ ... ontroversy
Regardless, let's continue...
Here is an excerpt from Time magazine:
"Now, with information based on the lead content of zircons from Siberia, virtually everyone agrees that the Cambrian started almost exactly 543 million years ago and, even more startling, that all but one of the phyla in the fossil record appeared within the first 5 million to 10 million years. "
http://www2.ggl.ulaval.ca/personnel/bou ... osion.html
Now, 5-10 million years is still a "blink of an eye" with regards to evolutionary history. So, it took place over several million years, and there's evidence that certain complex creatures actually existed pre-cambrian. Think about how long 3-5 million years actually is. Some of these creatures at the beginning had life cycles that lasted a fraction of a day. That’s hundreds of millions of generations of creatures. Humans have only had around 10,000 generations.
The Cambrian explosion just happened more rapidly at the time, and there are many things that could have caused that. Much more oxygen was in the air, which speeds up mutations. The amount of information in the genome of animals may also have reached a critical point where more mutations ended up to be beneficial. There are lots of good theories, but we don’t need to know why it happened to look at the evidence and determine that it did, in fact, happen.
Nothing prior to Cambrian?
Small Bilaterian Fossils from 40 to 55 Million Years Before the Cambrian
http://www.sciencemag.org/content/305/5681/218.abstract
http://phys.org/news/2012-03-oldest-ske ... ralia.html
http://en.wikipedia.org/wiki/Ediacaran_fauna
http://phys.org/news/2011-11-team-expla ... osion.html
The Precambrian fossils that have been found are consistent with a branching pattern and inconsistent with a sudden Cambrian origin. For example, bacteria appear well before multicellular organisms, and there are fossils giving evidence of transitionals leading to halkierids and arthropods.
http://home.entouch.net/dmd/cambevol.htm
None of the new creatures had body parts that evolved out of nothing. Each and every new body part is just a new or more advanced use of a body part that existed in an ancestor. The eye is a perfect example, is well documented, and exists in all ancestral stages in current creatures that can be observed. The creatures that evolved in the Cambrian were the first that COULD be fossilized relatively easily, as earlier creatures were only soft tissue. The transitionals are documented both by alternate fossil evidence such as trace fossils and borings, and the modern day genetic analysis. The link you provided regarding trace fossils is interesting, but it doesn't account for every type of trace fossil that we have. There is much to be accounted for.
We know that these animals existed – you don’t seem to deny that – and we know which ones came first due to the fossil record and the genetic analysis of modern day animals, which match perfectly, so one cannot deny that the Cambrian Explosion was a bona fide event. So what is your argument?
You say I "fall back" on the claim that you are making an argument from ignorance. If you think going from "We don't know exactly" to "Therefore X is false, or Y is true" is a legitimate argument, we have nothing to talk about. Instead of giving me evidence for an alternate hypothesis, you refer a book. I don't care if you don't accept the evidence for evolution. You're an adult and can believe whatever you want. What I care about are the alternative hypothesis "challenging" core scientific principals. If the Avalon/Cambrian issues you brought up are complete mysteries, it would be wise for us to remember that every mystery ever solved in the history of mankind has turned out to be "not magic".
dayage wrote:I noticed you didn't address my main point. Feel free to post the evidence you have supporting your hypothesis for this event. As I said before, if you manage to prove evolution incorrect, it does not prove ID is correct. False dichotomy.
I was not presenting evidence for ID. A good book on that is Dr. Rana's book "The Cells Design."
Fascinating, here's a couple more:
adocus wrote:
I'm a vertebrate paleontologist, and I'll stand by: if you need me, just holler!
I am an evolutionary biologist, and as such, the question of the origin of life does not interest me - that is a field for the chemists and molecular biologists to worry about.
Adocus
Ah! Excellent. Feel free to chime in whenever you like. You seem to know more about the topic than I do (as I would expect) and are doing a fine job thus far.
Gman wrote:So everything is chemicals? Please explain how chemicals created you. In detail please..
No one knows exactly how it happened. To claim otherwise is disingenuous. There are plenty of good hypothesis though:
http://en.wikipedia.org/wiki/Abiogenesis
That is a topic for another thread though. Let's keep this one about evolution.
Gman wrote:
Again.. No one is really against evolution here. G-d in fact can use evolution to create. That isn't the issue. However, if you claim that your science oppresses the belief in G-d, then we are going to have problems here.
Maybe we are getting confused with "against" and "deny." Plenty of people here deny evolutionary fact. I haven't seen anybody make the claim that science "oppresses the belief in God." I have said before it may be in conflict with some individual's creationism stories (if we have a common ancestor with apes, how does that explain Adam/Eve, etc...). I know this is a simple example and doesn't apply to everyone, but I think you get the idea. This creates bias and a "hidden agenda."
Gman wrote:adocus wrote:Simply calling your behaviour childish is not an ad hominem argument. There is no such think in logic as an ad hominem attack - there is only an ad hominem argument. If you don't know the difference, and it is obvious that you do not, then spend some time looking it up so you'll be better prepared in the future, and not look so foolish here.
Oh, so now you are calling me a fool? Well consider this a warning then for you, one more snap and we are going to have to let you go... You cannot answer my questions because you have no answer.. I'm sorry for your choices.
Come now, it's not that bad. I would say I've gotten worse from some of the "regulars" of the site.
Gman wrote:Sure you have a god... You have given your authority to your science. Your science, or god, is telling you that there is no god or evidence for it. Your god creates, tells you right from wrong via evolutionary thought processes. This is nothing more than religion..
I would disagree. Science is a method. It's not a set of beliefs, it's not a denial of any beliefs. Science is comparable to a set of instructions on how you should tie your shoes, but is instead applied to observations.
If science is a god, so is the tag on my shirt that says to dry clean it.
I still see a lot of false dichotomies here. Again,
I don't care if you don't accept the vast amounts (see page 1) of evidence for evolution. You are adults and can believe whatever the heck you want. The same can be said for HIV, Holocaust and mental illness deniers. What I care about is the alternative that is being pushed to be taught in colleges and schools. Do the work, convince the scientific community and it will be taught in public schools and universities.
Let's see the evidence!
Live a good life. If there are gods and they are just, then they will not care how devout you have been, but will welcome you based on the virtues you have lived by. If there are gods, but unjust, then you should not want to worship them. If there are no gods, then you will be gone, but will have lived a noble life that will live on in the memories of your loved ones.
-Marcus Aurelius