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Politics : The Environmentalist Thread -- Ignore unavailable to you. Want to Upgrade?

To: maceng2 who wrote (17981)	12/4/2007 5:18:08 PM
From: Brumar89	Read Replies (2) \| Respond to of 36923

I don't really buy the Clovis from Europe argument. But theres certainly no reason not to study it. As for Columbus, clearly the Vikings got to America earlier. I think others did as well between 1000 ad and 1492. In particular theres a good case to be made for English and perhaps Basque fishermen getting to the Grand Banks decades before Columbus. Darwin identified 13 species of finches in the Galápagos Islands. This was puzzling since he knew of only one species of this bird on the mainland of South America, nearly 600 miles to the east, where they had all presumably originated. He observed that the Galápagos species differed from each other in beak size and shape. He also noted that the beak varieties were associated with diets based on different foods. He concluded that when the original South American finches reached the islands, they dispersed to different environments where they had to adapt to different conditions. Over many generations, they changed anatomically in ways that allowed them to get enough food and survive to reproduce. /end snippet. I guess he could have made it all up though... Nah, he just had to wait till Wallace explained it to him.