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Using the title of a settlement can be misleading in the absence of any widely accepted definition. For example, city status in the United Kingdom historically arose from its place in the ecclesiastic hierarchy. (In modern times, city status is awarded for secular reasons but without reference to size.)
small eperopolis – 750 million; eperopolis – 7.5 billion; ecumenopolis – 50 billion; The population figures above are for Doxiadis' ideal future ekistic units for the year 2100, at which time he estimated (in 1968) that Earth would achieve zero population growth at a population of 50,000,000,000 with human civilization being powered by ...
The word was invented in 1967 by the Greek city planner Constantinos Apostolou Doxiadis to represent the idea that, in the future, urban areas and megalopolises would eventually fuse, and there would be a single continuous worldwide city as a progression from the current urbanization, population growth, transport and human networks. [1]
Population structure may refer to many aspectsof population ecology: Population structure (genetics), also called population stratification; Population pyramid;
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In Kosovo, a state-owned energy company plans to destroy a village to make way for expanded coal mining as the government and the World Bank plan for a proposed coal-burning power plant. The government has already forced roughly 1,000 residents from their homes. Many former residents claim officials violated World Bank policy requiring borrowers to restore their living conditions at equal or ...
Population structure (also called genetic structure and population stratification) is the presence of a systematic difference in allele frequencies between subpopulations. In a randomly mating (or panmictic) population, allele frequencies are expected to be roughly similar between groups. However, mating tends to be non-random to some degree ...
Cats are "obligate carnivores," meaning in order to stay healthy a cat's diet is primarily protein, according to the American Society for the Prevention of Cruelty to Animals. Eggs are a great ...