Tuesday, June 16, 2009

CHARLES DARWIN



Charles Darwin (1809-1882) is an English naturalist. While a student at Cambridge met a Botanist through whom he won appointment as naturalist on the Beagle on surveying expedition to southern islands, South American coasts and Australia (1831-1836).

He published journal of researches into the geology and natural history of the various countries visited by H.M.S. Beagle, 1832-1836. Observations on volcanic islands (1844), Geological society (1838-1841) studied variation in living and fossil barnacles (1846-1854); Sir Charles Lyell induced him to write out (1856) results of his experiments in inbreeding and his theory of evolution by natural selection (first given written shape, 1842); received (1858) manuscript from Alfred Russel Wallace from the Malay archipelago presenting an abstract of an identical theory of natural selection; published Wallace’s essay along with his own 1844 essay (1858).

Published on the origin of species by means of natural selection(1859),a rousing a storm of controversy ; the variation of animals and plants under domestication, setting up provisional hypothesis of pangenesis (1868);The descent of man and selection in relation to sex, deriving the human race from an animal of the anthropoid group(1871); The expression of the emotions in man and animals(1872):a series of supplemental treatises on cross-fertilization and self – fertilization , ecology, climbing plants, etc.

Reference: Quammen, D (2009): Darwin's First Clues, National Geographic, Vol 215 No 2, 34-55.

Name: Abheetha Ekanayake
Grade: 11-C
Dharmaraja College, Kandy.

Date: 6/16/2009

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