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Behavioral sink" is a term invented by ethologist John B. Calhoun to describe a collapse in behavior that can result from overpopulation. The term and concept derive from a series of over-population experiments Calhoun conducted on Norway rats between 1958 and 1962. [ 1 ]
John Bumpass Calhoun (May 11, 1917 – September 7, 1995) was an American ethologist and behavioral researcher noted for his studies of population density and its effects on behavior. He claimed that the bleak effects of overpopulation on rodents were a grim model for the future of the human race.
In his 1777 essay Von der verschiedenen Racen der Menschen, Kant expressed the belief that all humans shared a common origin. He called upon the ability of humans to interbreed as evidence for this assertion. [14] Additionally, Kant introduced the term "degeneration", which he defined as hereditary differences between groups with a shared root ...
Behavioural science is the branch of science concerned with human behaviour. [1] While the term can technically be applied to the study of behaviour amongst all living organisms, it is nearly always used with reference to humans as the primary target of investigation (though animals may be studied in some instances, e.g. invasive techniques).
Pages in category "Human overpopulation" The following 30 pages are in this category, out of 30 total. ... Behavioral sink; Biocapacity; C. Childless Hundred Days ...
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Calhoun is the second daughter of John B. Calhoun, an ethicist best known for behavioral sink theory.. She earned her Ph.D. in philosophy at the University of Texas, Austin in 1981, and taught at College of Charleston and Colby College before moving to Arizona State in 2007.
Madonna is directing and co-writing a biopic about her own life. Here's what to know.