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1How did Darwin know Emma Wedgewood, the woman he married in 1839?

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2Which scientist’s manuscript convinced Darwin to rush The Origin of Species into publication?

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3According to Darwin, which mechanism is responsible for evolution?

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4According to Darwin, how do variations occur in a species?

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5Which scientific work does Darwin rely on for his theory of the struggle for existence?

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6According to Darwin, what is the difference between species and varieties?

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7Why are domesticated species useful for Darwin’s theory?

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8Why must species engage in a struggle for existence?

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9Which field of study does Darwin most directly position himself against?

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10Which scientific discovery would most help to bolster Darwin’s theory?

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11Where did Darwin begin to collect the data and observations that would lead to his theory of the origin of species?

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12Which statement does Darwin’s manuscript make about nature?

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13Which term does Darwin use to describe evolution?

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14Which of the following is NOT an example of an advantageous variation?

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15What is an example of a trait that may have been perpetuated through sexual selection?

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16According to Darwin, why do species become extinct?

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17According to Darwin, the earth is at least how old?

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18Which of the following is NOT presented as a scientific criticism of Darwin’s theory?

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19How does Darwin explain the problems of the fossil record?

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20Which geological change in the earth’s history most affected the distribution of species?

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21What are rudimentary organs?

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22How might the seeds of a plant migrate to areas of geographic isolation?

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23Why is the system of classification so important to Darwin’s theory?

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24How do embryos provide clues for descent with modification?

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25What were the social theorists who attempted to apply Darwin’s theory to human society called?