Evolution and Cladistics

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  1. evolution
    descent with modification; changes in the hereditary characteristics of groups of organisms over the course of generations
  2. Unlike engineering, biological evolution can only occur through
    change of what is already present
  3. Charles Darwin
    naturalist on the HMS Beagle, published "Origin of Species"
  4. small scale evolution
    changes in gene frequency in a population from one generation to the next
  5. large scale evolution
    Descent of different species from a common ancestor over many generations
  6. natural selection
    Greater reproductive success among particular members of a species arising from genetically determined characteristics that confer an advantage in a particular environment
  7. Mechanisms of Change
    mutation, migration, genetic drift, natural selection
  8. All the mechanisms of change can cause
    changes in the frequency of genes in a population and so all are mechanisms of evolutionary change
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Evolution and Cladistics
2014-04-16 01:03:34
bio evolution

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