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- descent with modification.
- results from changes in gene frequency in a population from one generation to the next
- includes the descent of different species from a common ancestor over many generations
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| applies to developments in evolutionary theory between 1930 and 1950 or 1960, and characterized by the union of Darwininan evolutionary theory Mendelian genetics (i.e. populaiton genetics), taxonomy, and paleontology |
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| the study of populations in terms of gene frequencies and their changes over time, based on mathematical and statistical treatments of interbreeding groups of organisms with field studies, models, and experiements. |
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| geological theory that the earth's surface was trasformed by a series of great catastrophic events in the past (floods, volcanoes and the like to a greater extent than now) |
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| geologic term associated with James Hutton and Charles Lyell to account for the formation of the earth's crust by slow, everyday forces such as erosion and pressure of the oceans against continental boundaries. |
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| the process in which individuals with a particular trait tend to leave more offspring in the next generation than do individuals with a different trait. Can cause evolutionary change. |
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| an ancestral species and all its descendants |
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1. correlated variation
2. measure of how two random variables change together |
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