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9 Cards in this Set
- Front
- Back
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Evolution
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*change over time
*process by which modern organismshave descended from ancient organisms. |
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What is a theory?
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* a well supported testable explanation of phenomena that have occurred in the natural world.
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Who was Charles Darwin?
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*Sailed the H.M.S. Beagle.
*he made observations and collected evidence that led him to propose a revolutionary hypothesis about the way life changes over time. |
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What are fossils?
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*Preserved remains of ancient organisms.
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How did Charles Darwin use the fossils?
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*Darwin collected fossils and studied them for as questions of how many species disappeared? How were they related to living species?
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What is important about the Galapagos Islands?
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*Dawrin noted that the islands were close together but they had different climates.
*he learned that the plants and animals characteristics varied noticeable among the different Galapagos Islands. |
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What is artificial selection?
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*nature provided the variation and humans selected thos variations that they found useful.
*used for breeding only the largest hogs, fastest horses, or the cows that produced the most milk. |
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Struggle for existence
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*members of each species compete regularly to obtain food, living space, and other necessities of life.
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What is fitness adaptation?
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*Darwin called the ability of an individual to survive and reproduce in its specific environment.
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