Don Barone
August 31, 2001 06:57AM
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<HTML><i><b>
By James Meritt
Someone writes:
I have a friend who says since we have never seen a species actually split into two different species during recorded history that he has trouble believing in the theory of evolution. Is this bogus and have humans seen animals bred into different species? (The various highly bred english dogs come to mind but I suppose this would be easier to find in vegetation. Corn, wheat strains? Donkeys and mules? )
This is bogus. We've seen it happen naturally without our tampering with the process. From the FAQ:
"Three species of wildflowers called goatsbeards were introduced to the United States from Europe shortly after the turn of the century. Within a few decades their populations expanded and began to encounter one another in the American West. Whenever mixed populations occurred, the specied interbred (hybridizing) producing sterile hybrid offspring. Suddenly, in the late forties two new species of goatsbeard appeared near Pullman, Washington. Although the new species were similar in appearance to the hybrids, they produced fertile offspring. The evolutionary process had created a separate species that could reproduce but not mate with the goatsbeard plants from which it had evolved."
The article is on page 22 of the February, 1989 issue of Scientific American. It's called "A Breed Apart." It tells about studies conducted on a fruit fly, Rhagoletis pomonella, that is a parasite of the hawthorn tree and its fruit, which is commonly called the thorn apple. About 150 years ago, some of these flies began infesting apple trees, as well. The flies feed an breed on either apples or thorn apples, but not both. There's enough evidence to convince the scientific investigators that they're witnessing speciation in action. Note that some of the investigators set out to prove that speciation was not happening; the evidence convinced them otherwise.</i></b>
Seems to me that if they were introduced from Europe one might be inclined to call this "devine intervention". Also all the article really says is that "<b>suddenly</b> a new spieces appeared. How they conclude that it was "evolution" is beyond me.
Cheers
Don Barone</HTML>
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Katherine Reece |
August 30, 2001 04:06PM |
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Don Barone |
August 30, 2001 08:18PM |
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Katherine Reece |
August 31, 2001 12:19AM |
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Anonymous User |
August 31, 2001 04:35AM |
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Claire |
August 31, 2001 05:13AM |
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Don Barone |
August 31, 2001 05:30AM |
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Claire |
August 31, 2001 05:53AM |
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Mikey Brass |
August 31, 2001 06:17AM |
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Claire |
August 31, 2001 06:25AM |
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Don Barone |
August 31, 2001 06:28AM |
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Mikey Brass |
August 31, 2001 06:34AM |
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Don Barone |
August 31, 2001 06:34AM |
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Mikey Brass |
August 31, 2001 06:39AM |
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Anonymous User |
August 31, 2001 06:55AM |
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Mikey Brass |
August 31, 2001 07:16AM |
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Anonymous User |
August 31, 2001 07:27AM |
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Mikey Brass |
August 31, 2001 08:34AM |
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Don Barone |
August 31, 2001 06:33PM |
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Mikey Brass |
August 31, 2001 06:55PM |
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Don Barone |
August 31, 2001 07:16PM |
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Mikey Brass |
August 31, 2001 07:26PM |
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Don Barone |
August 31, 2001 08:06PM |
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Mikey Brass |
September 01, 2001 08:24AM |
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Anonymous User |
September 03, 2001 05:05AM |
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Don Barone |
September 03, 2001 06:02AM |
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Michael Brass |
September 03, 2001 06:16AM |
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Don Barone |
September 03, 2001 06:30AM |
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Michael Brass |
September 03, 2001 06:35AM |
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Don Barone |
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Michael Brass |
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Anonymous User |
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Michael Brass |
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Don Barone |
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August 31, 2001 07:21AM |
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Mikey Brass |
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August 31, 2001 06:53AM |
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Claire |
August 31, 2001 06:57AM |
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Claire |
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Claire |
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Mercury Rapids |
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lone |
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lone |
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Don Barone |
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lone |
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Don Barone |
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D.Przezdziecki |
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Don Barone |
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Don Barone |
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Don Barone |
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jameske |
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Don Barone |
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Don Barone |
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Mercury Rapids |
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Don Barone |
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Don Barone |
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Mercury Rapids |
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