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Unformatted text preview: The Galapagos Islands were formed by the eruption of volcanoes. Darwin was shocked at the broad expanses of black, hardened lava, and by the wildlife he saw living on it. Volcanic cones dotted the landscape. Scurrying or sauntering among them were marine iguanas, crabs, birds, lizards, turtles, and giant land tortoises weighing eighty pounds or more. The crew immediately set about gathering food: they killed eighteen tortoises on the first island they landed on, Chatham, and carried them on board. Darwin collected as much of the fauna as he could lay his hands on. On September 23rd, they landed on another island in the Galapagos, Charles Island, where they found a small settlement. On the 28th they moved on to Albermarle, the largest of the islands. On each island Darwin gathered the species he found. He noticed that the birds that he had collected on Chatham differed from those he found on Charles...
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- Fall '10