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Charles Elton

Born 29 Mar 1900; died 1 May 1991 at age 91.English biologist who is credited with describing the “sociology and economy of animals,”thus outlining the basic principles of modern animal ecology. He thought of the “community”as a group of species related through the food chains. Elton developed the idea of a food chain in 1927. He described the way plants get energy from sunlight, plant-eating animals get their energy from eating plants, and meat-eating animals get their energy from eating other animals. Elton's pyramid of numbers shows how energy flow links organisms to form the biological community. In 1932, Elton created the Bureau of Animal Population at Oxford, which was a mecca for ecologists from around the world, until its demise when he retired in 1967.

During a visit to the mental a...

During a visit to the mental asylum, a visitor asked the Director how do you determine whether or not a patient should be institutionalised.
Well, said the Director, we fill up a bathtub, then we offer a teaspoon, a teacup and a bucket to the patient and ask him or her to empty the bathtub.
Oh, I understand, said the visitor.
A normal person would use the bucket because it's bigger than the spoon or the teacup.
No said the Director, A normal person would pull the plug out.
Do you want a bed near the window?
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