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Alfred Russel Wallace OM FRS (8 January 1823 – 7 November 1913) was an English [1] [2] [3] naturalist, explorer, geographer, anthropologist, biologist and illustrator. [4] He independently conceived the theory of evolution through natural selection; his 1858 paper on the subject was published that year alongside extracts from Charles Darwin's earlier writings on the topic.
The Wallace line or Wallace's line is a faunal boundary line drawn in 1859 by the British naturalist Alfred Russel Wallace and named by the English biologist T.H. Huxley. It separates the biogeographical realms of Asia and ' Wallacea ', a transitional zone between Asia and Australia formerly also called the Malay Archipelago and the Indo ...
Wegener had put into practice the seismological methods developed by geophysicist Emil Wiechert of the University of Göttingen physics institute. His aim was to find out the thickness of the Greenland ice sheet, as well as the geological structure of the terrain underneath the thick ice.
This peninsula was named during the Three-year Expedition to East Greenland by Arne Noe-Nygaard (1908-1991). He named it after German scientist Alfred Wegener (1880–1930), who had taken part in the 1906–08 Danmark Expedition and the 1912–13 Danish Expedition to Queen Louise Land led by J.P. Koch.
Zoogeography is the branch of the science of biogeography that is concerned with geographic distribution (present and past) of animal species. [ 1 ] As a multifaceted field of study, zoogeography incorporates methods of molecular biology, genetics, morphology, phylogenetics , and Geographic Information Systems (GIS) to delineate evolutionary ...
Biogeography is the study of the distribution of species and ecosystems in geographic space and through geological time.Organisms and biological communities often vary in a regular fashion along geographic gradients of latitude, elevation, isolation and habitat area. [1]
From January 2008 to December 2012, if you bought shares in companies when Ronald James joined the board, and sold them when he left, you would have a -77.5 percent return on your investment, compared to a -2.8 percent return from the S&P 500.
Continental drift is the theory, originating in the early 20th century, that Earth's continents move or drift relative to each other over geologic time. [1] The theory of continental drift has since been validated and incorporated into the science of plate tectonics, which studies the movement of the continents as they ride on plates of the Earth's lithosphere.
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