The great 46 scientist, Charles Darwin, was born on February 12, 1809. His father was a well-known doctor, and 47 that his son also would become a doctor. As a boy, Charles liked to go for walks in the fields and 48 , 49 nature and comparing what he saw with everything he had read in natural science books. He was fond 50 collecting animal and plant specimens 51 insects, birds, flowers and leaves. At sixteen, Charles 52 Edinburgh University 53 . But he was interested in 54 . Then he was sent to Cambridge University, 55 he graduated in1831. 56 he heard that the ship Beagle(贝格尔号) was 57 to South America and wanted a naturalist. His biology professor advised him to go. He said the journey would be just the thing for Charles. So the Beagle left England in December 1831, Charles Darwin was 58 . The expedition 59 almost five years. The Beagle 60 the waters near the east and west 61 of South America, and many other places. He 62 all kinds of plants and animals, which he sent home from the 63 he visited. After returning from the expedition, Darwin continued his studies of changes in nature. Darwin understood that plants and animals do no  t 64 the same, that they always change.By 1859 Darwin had finished his famous book “The Origin of Species”. It made a great noise in the word of science. Darwin was attacked by the 65 and even by some scientists. But later, more and more scientists agreed with him. Darwin tirelessly continued his scientific studies until he died on April 19,1882.
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