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Location: UFOUpDatesList.Com > 2012 > Dec > Dec 19

Re: Convergent Evolution

From: Edward Gehrman <egehrman.nul>
Date: Tue, 18 Dec 2012 08:29:33 -0800
Archived: Wed, 19 Dec 2012 06:56:46 -0500
Subject: Re: Convergent Evolution


>From: David Rudiak <drudiak.nul>
>To: post.nul
>Date: Mon, 17 Dec 2012 12:01:04 -0800
>Subject: Re: Convergent Evolution

>>From: Edward Gehrman<egehrman.nul>
>>To:<post.nul>
>>Date: Sun, 16 Dec 2012 12:55:58 -0800
>>Subject: Convergent Evolution

>List,

>This is an interesting article on convergent evolution. Humans
>occupy the "tool making and using" niche. That means that
>another species that opted to travel along the tool-making path
>would end up looking very much like humans.

>http://tinyurl.com/cw8x3br

>"However, when University of Queensland researcher Bryan Fry and
>colleagues tested the serpentine DNA, the results showed that
>they were separate species, and not even close relatives... This
>is a case of convergent evolution, wherein different species
>evolve independently but end up looking quite similar... Or, as
>Yong put it, convergent evolution is 'when different species
>turn up at life's party wearing the same clothes'."

>>Ed, the article is about convergent evolution of two species of
>>sea snakes, not about tool making species.

>>While I would agree that a good case could be made that
>>technological, space-faring, non-human beings of very separate
>>evolution might very well be humanoid in appearance, including
>>hands, for convergent evolutionary reasons, you are making a
>>huge extrapolation to that from an article on sea snakes.

David,

This article was to show folks the reality of convergent
evolution. The snakes were only an example of this process. I
could have used hundreds of other examples, but the point is
that humans have been able to create a technology from very
humble beginnings by moving into the tool making/using niche.

Can't we speculate that another species(monotremes?) could also
have taken up tool making/using and after a few million years
were not only able to accomplish an advanced technology, but
began to look similar to us. Actually, we look like them, since
they evolved first. It's the niche that determines this.


I don't have any problems with the rest of your interesting
post.




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