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Why are the large finches now living on the galapgos islands different from the original source population from a nearby island?
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What did Darwin think happened to the first small population of finches that reached the galapagos islands from south America?
Charles Darwin thought that the original population of finches were blown over from South America to the Galapagos Islands.
Must population of finches be separated in order to evolve into different species?
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Why did Darwin think that the finches looked different on the various islands?
The different finches have different shaped beaks.
Darwin thought the birds he collected from the Galapagos were different types of birds but he learned that they were different types of finches that each came from a different island in the Galapagos.?
Darwin discovered that the finches were once the same species. Due to isolation, each island produced variations of the original finch species.
How do Darwin's finches exemplify speciation?
Darwin was puzzled about the many adaptations of the finches on the Galapagos Islands
Why would a finch population that lives on an island have a higher rate of speciation that a finch population that lived in a large forest in north America?
A finch population on an island is more isolated than Êa finch population in a large forest. ÊThe gene pool of the island population would be more limited than the genetic possibilities of the finch population in the forest. ÊThe island finches would be more likely to pass on specialized genes than the forest finches. the island finches have more spatial isolation the island finches have more geographical isolation
How are the Galapagos finches different?
Their beaks are different
How are Galapagos finches different?
Their beaks are different
Why are the finches in the Galapagos called Darwin's Finches?
Charles Darwin discover the finches in Galapagos in 1831. He noticed that the finches beaks were different compared to the finch's in Ecuador.
Why were Darwin's galapagos finches so important to Darwin's theory?
It is thought that the finches have a common ancestor. Separated on different islands, each island eventually produced different finches.
While studying finches what did darwin observe?
Finches looked alike, but ate different things.
Darwin observed that some finches had larger beaks than other finches in the population on the Galpagos Islands What does this observation illustrate?
Variation
