1780s+Thomas+Malthus

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=**Thomas Malthus** = //**An Essay on the Principle of Population**// **1798** · Thomas **Malthus wrote** **//An Essay on the Principle of Population// (1798) in which he expressed his theory concerning the increase and decreases of population**. Exponential Growth guy! · He concluded that sooner or later the population would get checked by famine, diseases or natural disasters · He believed that population growth could be dangerous and that population needed to be che ck by increased death rates or decreased birth rates. · He thought that the human population would eventually reach a tipping point if it was not checked by these factors. · He also felt that the forces of poverty and misery could be prevented with a decreased population. · His beliefs became known as Malthus’ Iron Law of Population.
 * • Demography- “The statistical study of human populations and sub-populations. It can be a very general science that can be applied to any kind of dynamic human population, that is, one that changes over time or space.”
 * • Most important work- An Essay on the Principle of Population (first publication-1798)
 * • Dictates that the growth of all populations, including humans, are hindered by certain limiting factors.
 * • Some limiting factors include famine and disease.
 * • Influenced greatly later evolutionary biologists such as Darwin and Wallace
 * • Helped develop the idea of natural selection.
 * • Effects some countries' policies (see China’s “One Child” law)
 * • Helped develop the idea of natural selection.
 * • Effects some countries' policies (see China’s “One Child” law)
 * • Effects some countries' policies (see China’s “One Child” law)



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