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Originally posted by ElohimJD
Fact:
Gravity is a LAW and provable.
Evolution is a THEORY and improvable.
Originally posted by draco49
The part that evolution doesn't explain is the rapid and significant development of the human brain along with the emergence of consciousness. So until that part of us is adequately accounted for, evolution to explain humans is still a theory.
Originally posted by Barcs
Originally posted by draco49
The part that evolution doesn't explain is the rapid and significant development of the human brain along with the emergence of consciousness. So until that part of us is adequately accounted for, evolution to explain humans is still a theory.
Could you provide evidence of this rapid an significant development exclusive to humans? Do you think 7 million years is rapid? 2.5 million years? All evidence suggests the brain slowly evolved and slowly increased size over the past 2.5 million years. It's also interesting to note that our ancient cousins, Neanderthals, had bigger average brain size than us, and roamed the earth from 400,000 - 80,000 or so years ago. Where is the rapid development?
Originally posted by draco49
The rapid development I'm talking about occurred a little over 200,000 years ago when homo sapiens emerged. When I said "brain size", I should have been more specific; I was speaking of the advancement of the frontal lobe, and Broca's Area.
To correct you, homo sapiens and homo neanderthalensis emerged at nearly the same time; between 200,000 - 300,000 years ago. They simultaneously roamed the Earth until about 30,000 years ago when the neanderthalensis died off.
Evolutionarily speaking, homo neanderthalensis likely evolved from homo heidelbergensis, who lived from about 600,000 - 350,000 years ago. Given that homo sapiens and homo neanderthalensis emerged at approximately the same time (neanderthalensis had only been around for 75,000 - 100,000 years before sapiens), the evolution of the human brain (specifically the regions I mentioned above) would have had to occur, at the most, within a 350,000 year period (from the time heidelbergensis died out until the emergence of sapiens). The differences between heidelbergensis or even neanderthalensis, and sapiens are too great to be accounted for by evolution within that period of time.
As for references, let me Google that for you.
Originally posted by CharlesMartel
Originally posted by stanguilles7
www.darwins-theory-of-evolution.com...edit on 3-6-2012 by stanguilles7 because: (no reason given)
Which race is more evolved than the others or are they all evolved equally?
Originally posted by Barcs
Sorry I have to correct you. Homo neanderthalensis appeared BEFORE homo sapiens in the fossil record. Yes, they are subspecies and were living cousins of homo sapiens who shared a common ancestor and they did breed together eventually, but there is still a 150,000 year difference from when Neanderthal emerged (around 400,000 years ago) and when Homo sapiens emerged (250,000 years ago). If you want to call that virtually the same time, then sure. I don't see that at all. I see a group migrated out of Africa and evolved into neanderthals. The ones who stayed EVENTUALLY became homo sapiens. It certainly didn't happen over night or at the same time.
So your arguments is that the brain developed faster in homo sapiens than any other hominid ancestor? Sorry to rain on the parade, but the average brain size for Heidelbergensis was 1200cc. Comparatively Neanderthalensis was 1450 cc and homo sapien was 1350 cc. That is certainly not any more rapid than the difference between any other hominid. Even if you look at late homo erectus their brain size was 1100cc give or take.
Now even if this sudden change did happen, it wouldn't discount evolution. Evolution isn't on a time table. It just keeps happening and the environment dictates the speed. Sudden changes in environment lead to faster extinction and therefor evolution and emergence of new species.
You gotta be kidding me. You use an insult based google search site to search for the broad term "human evolution" and expect me to search through all of that to find the specifics of what you are talking about? I am VERY familiar with human evolution, I just keep hearing claims of this alleged rapid change, which is just the same as most hominids change going back 2.5 million years.