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Definition
| A change in a kind of organism over time; process by which modern organisms have descended from ancient organisms. |
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A well tested explanation that unifies a broad range of observations.
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| A preserved remains or evidence of an ancient organism. |
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What was Charles Darwin's contribution to science?
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Definition
| During his travels, Darwin made numberous observations and collected evidence that led him to propose a revolutionary hypothesis about the way life changes over time. |
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What pattern did Darwin observe among organisms of the Galapágos Islands?
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| Darwin observed that the characteristics of many animals and plants varied noticeably among the different Galapagos Islands. |
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What did Darwin's travels reveal to him about the number and variety of living species?
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Darwin was intrigued by the fact that so many plants and animals seemed remarkably well suited to whatever environment they inhabited. He was impressed by the many ways in which organisms survived and produced offspring. He wondered if there was some process that led to such a variety of ways of reproducing. |
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