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11 Cards in this Set
- Front
- Back
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evolution
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observations and hypotheses known as evolutionary theory change over time is the process by which modern organisms
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theory
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theory is a well supported testable explanations of phenominom that have occured in the natural world
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Charles Darwin
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born in England on Feb. 12, 1809, the same date as Abraham Lincoln
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Charles Darwin
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During his time at sea Darwin collected evidence taht led him to propose a revolutionary hypothesis about the way life changes over time. This theory has become to be known as the Theory of Evolution
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Patterns of Diversity
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Many plants and animals seemed to be well suited to whatever environment they inhabited. He was imporessed by the many ways the organisms survived and produced offspring. He wondered if there was a process that led to such a variety of ways of reproducing
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Living Organisms and Fossils
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Realized that living animals represented just part of the puzzle posed by the natural world. Darwin collected the presrved remains of ancient organisms called fossils.
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Fossils
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some of the fossils collected resembled organisms taht were still alive, and others looked unlike any creature he had ever seen.
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Galapagos Islands
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located 1000 km west of South America. Darwin noted taht they were coose together but had ve4ry different climates. Smallest, lowest islands were dry, hot and nearly barren, Hood Island had sparse vegatation. Higher island had greater rainfall and different assortment of plants and animals.he learned that giant touirtises varied in pardicular ways ways from one island to another
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the journey home
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while heading home darwin spent a great deal of time thinkingabout his findings examining differant mockingbirds
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an ainchent changing earth
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during the eighteneth and nineteenth centuries scientists examined earth in great detail they gathered information suggesting that earth was very old and had changed slowly over time
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hutton and geological change
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in 1795 the geologist james hutton published a detailed hypothosis about the geological forces that have shaped the earth
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