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Old 02-22-2010, 09:55 PM   #1
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Default 7 Terrific Toad Survival Tactics

7 Terrific Toad Survival Tactics
By Clara Moskowitz, LiveScience Staff Writer
posted: 04 February 2010 02:02 pm ET

7 Terrific Toad Survival Tactics | LiveScience
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Quote:
"Some amphibian groups are distributed all over the world, and others are not," said evolutionary biologist Ines Van Bocxlaer of Belgium's Vrije Universiteit Brussel. "We wondered why toads expanded their range while others (like poison arrow frogs) stayed in one area?"

So the researchers retraced the evolutionary history of various toad traits and tried to identify the ones that correlated with major expansions in a species' range. They narrowed down their list of traits to seven prized qualities that together seemed to allow species to colonize a larger area than before...
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