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Cards In This Set
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Evolution
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The process by which species change over time
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Theory
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A broad explanation that has been scientifically tested and supported
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When did modern evolutionary theory begin?
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When Darwin presented evidence that evolution happens and offered an explanation of how evolution happens
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What did Darwin's experiences provide him with?
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Evidence of evolution at work
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What was his first voyage/ship called?
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The Beagle
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In South America, he collected what?
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Fossils of giant, extinct armadillos
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What did he notice about the armadillo fossils in South America?
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That they were similar, but not identical, to the living armadillos in the area
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What did he collect in the Galapagos Islands?
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Several different species of finches
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How were the finches different?
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Shapes and sizes of the beaks
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Why did the finches have different sized beaks?
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The beak suited the bird's food.
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What two things were similar, but not identical, in the Galapagos Islands and South America?
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Plants and animals
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What did Darwin propose about the species in the G.I. and S.A.?
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The G.I. species descended from species that came from S.A.
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Descent with modification
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The change when a species migrates from one area to another and are modified and changed over time to adapt to their environment (ex.-food)
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What did Darwin breed?
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Exotic pigeons
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Artificial selection
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The human practice of breeding animals or plants that have certain desired traits
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