U of M ANTH 1001 - Midterm 1 study guide (2 pages)
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Midterm 1 study guide
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- Pages:
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- School:
- University of Minnesota- Twin Cities
- Course:
- Anth 1001 - Human Evolution
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Unformatted text preview:
Important contributors to the progression of scientific thought their contributions Hutton Principle of Uniformitarianism Lyell Geological features are the result of small changes over a long time Kelvin Cooling experiments indicate greater antiquity of Earth Linnaeus Binomial taxonomy Cuvier Introduction of comparative anatomy Catastrophism Lamarck First theory of evolution acquisition of inherited features Malthus Resource competition the struggle for survival Darwin The Origin of Species and evolution by natural selection De Perthes Great antiquity of humanity based on stone artefacts Wallace Independently developed idea of natural selection Natural selection 5 theories of evolution Species change All organisms share a common ancestry Evolution is gradual Evolution leads to speciation Evolution occurs through Natural Selection The 3 necessary sufficient conditions for evolution by natural selection Variation in a trait Genetic inheritance of the trait Differential reproductive success The 3 modes of natural selection Stabilizing selection Directional selection Disruptive selection Focus on populations instead of individuals Natural selection cannot be goal oriented Natural selection optimizes long term reproductive success instead of maximizing short term reproductive success This demonstrates that there are no perfect adaptations Instead adaptations are almost always the result of a trade off between costs and benefits Examples of such trade offs are found in both Resource Defense Polygyny and Female Defense Polygyny Incorrect interpretation of the tenets of natural selection results in Evolution progress Natural selection favors those individuals that are stronger better fitter Naturalistic fallacy Genetics Mitosis Meiosis Mitosis somatic cells diploid Meiosis sex cells haploid Crossover recombination occurs during meiosis and is the exchange of genetic material between homologous chromosomes Crossover produces new combinations of alleles by reshuffling the
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