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Yorkshire. 54°08′49″N 2°02′49″W / 54.147°N 2.047°W / 54.147; -2.047. Kettlewell is a village in Upper Wharfedale, North Yorkshire, England. Historically part of the West Riding of Yorkshire, it lies 6 miles (10 km) north of Grassington, at the point where Wharfedale is joined by a minor road (Cam Gill Road) which leads ...
The experiments with the peppered moths, as described in this book, are arguably the most dramatic and best known case of adaptive evolution.For many people at that time, this was the first evidence that they could see evolution taking place in the world around them, and could see how fast evolution can go since Darwin came up with the hypothesis (Kettlewell, 1959).
The BBC Programme Catalogue is an online archive of the entire BBC back catalogue of TV and radio programmes. The catalogue is for internal use by the BBC although for a time a beta online version was available to the public. The catalogue is not "a complete record of every BBC programme" since certain categories of programme were not ...
Bernard Kettlewell. Henry Bernard Davis Kettlewell (24 February 1907 – 11 May 1979) [ 1 ] was a British geneticist, lepidopterist and medical doctor, who performed research on the influence of industrial melanism on peppered moth (Biston betularia) coloration, showing why moths are darker in polluted areas. This experiment is cited as a ...
John Kettlewell, frontispiece from the 10th edition of his Help and Exhortation to Worthy Communicating. John Kettlewell (10 March 1653 – 12 April 1695) was an English clergyman, nonjuror and devotional writer. He is now known for his arguments against William Sherlock, who had justified the change of monarch of 1688–89 and his own switch ...
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Industrial melanism is known from over 70 species of moth that Kettlewell found in England, and many others from Europe and North America. [17] Among these, Apamea crenata (clouded border brindle moth) and Acronicta rumicis (knot grass moth) are always polymorphic, though the melanic forms are more common in cities and (like those of the peppered moth) are declining in frequency as those ...
Kettlewell with Starbotton is a civil parish in the Craven district of North Yorkshire, England. Kettlewell is a village in Upper Wharfedale , North Yorkshire , England . It lies between the villages of Grassington , Kilnsey and Conistone to the south, Starbotton to the northwest, the hamlet of Horsehouse to the northeast, and later on Coverdale .