Charles Darwin

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the northwestern coast of South America. It was here that Darwin found huge populations of Tortoises; and he found out that diffrent islands were home to diffrent types of tortoises. He found that islands without tortoises, pricky pear cactus plants grew with their fruits spread all over the ground. And on Islands that had lots of tortoises, the prickly pears grew really thick, tall, bearing the fruit high above the tortoises reach. He wondered if the differences in the two plants were from being isolated from one another on seperate islands. In 1836, Darwin returned to England after his 5 year expedition. He became established as one of the best naturalists of his time. But Darwin sought to prove his idea of evolution with simple examples. Darwin maintained that seperate species evolve as a result of Natural Selection, or survival of the fittest. Darwin never said that human beings evolved from apes. He said that all life began with molecules acting on each other. So from the first ...

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