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Theory of evolution and the beak of the finch - Jonathan Weiner, 1995

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  1. The finches in the Galapagos study
  2. The finches' beak and the type of seeds
  3. The influence of the environment on the population
  4. Evolutionary changes
  5. Endler's experiment
  6. Examples of rapid evolution

When we imagine the process of evolution, we tend to picture it as an extremely slow, gradual process. It takes millions of years for some frog to change colors and camouflage to its surroundings, and it takes just as long for a fish to improve its structure and achieve the maneuverability necessary to escape its many predators. Often, non-scientists and scientists alike view evolution as a slow and difficult process to measure that one life time is often not nearly enough to measure any significant change in a species. In his book "The Beak of the Finch", Jonathan Weiner disputes this notion and describes a long term research project that involved studying finches in the Galapagos Islands. In the project, headed by Peter and Rosemary Grant, the beaks and other measurements of Darwin's finches are meticulously recorded and compared from year to year. After over two decades of analysis, the results prove to be astounding and remarkably supportive of Darwin's theory.

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