Re: Evolution is a : Charles Darwin Campfire
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In Reply to: Re: Evolution is a posted by Alan on February 23, 192004 at 09:00:11:
Hi Alan:
>>This is evidence in favour of intelligently guided evolution, because there is visibly not enough variations generated for the natural selection process to work.<<
No, Alan. It think you are forgetting (or are not even aware) that the fossil record can only be sparse. Consider the total land area of the Earth, and then consider how much of that total area has been searched for fossils. The percentage is minute, indicating that the number of fossils not yet found is enormous compared with what we have.
Secondly, the conditions necessary to fossilize any organism are rarely met with. I don't know what proportion of creatures become fossils, but once again, it must be very small. Just as an example, in the last few hundred years, look at how many different breeds of domestic dog have been derived from the original wild forebear. Now think about the possibility of unearthing fossil remains showing the slow change from that original wild dog to, for example, the Bulldog or the Pekinese. I am sure you can see it would be a hopeless task - and it only spans a few hundred years. We are talking about millions of years.
Lastly, think how speciation normally happens. Current thinking is that it usually occurs in a small number of a given species isolated reproductively from their main group. So the actual intermediates are few in number and concentrated in the small area of isolation.
Taking all these thing into consideration, it should be clear to you that the fossil record can ONLY be incomplete - though I would point out that gradual change from one species to another is fairly well demonstrated in a few cases.
I would also like to point out that there is nothing 'intelligent' in designing the millions of different species that have existed on this Earth, only to have the vast majority become extinct. Such a wasteful process cannot be described as 'intelligent', even supposing it existed.