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The Georgian era was a period in British history from 1714 to c. 1830–1837, named after the Hanoverian kings George I, George II, George III and George IV. The definition of the Georgian era is also often extended to include the relatively short reign of William IV , which ended with his death in 1837.
The history of life on Earth traces the processes by which living and extinct organisms evolved, from the earliest emergence of life to the present day. Earth formed about 4.5 billion years ago (abbreviated as Ga, for gigaannum) and evidence suggests that life emerged prior to 3.7 Ga. [1] [2] [3] The similarities among all known present-day species indicate that they have diverged through the ...
The Regency Era is a sub-period of the longer Georgian era (1714–1837), both of which were followed by the Victorian era (1837–1901). The latter term had contemporaneous usage although some historians give it an earlier startpoint, typically the enactment of the Great Reform Act on 7 June 1832.
The history of biology traces the study of the living world from ancient to modern times. Although the concept of biology as a single coherent field arose in the 19th century, the biological sciences emerged from traditions of medicine and natural history reaching back to Ayurveda, ancient Egyptian medicine and the works of Aristotle, Theophrastus and Galen in the ancient Greco-Roman world.
In biology, evolution is any change across successive generations in the heritable characteristics of biological populations. Evolutionary processes give rise to diversity at every level of biological organization , from kingdoms to species , and individual organisms and molecules , such as DNA and proteins .
The definition of life has long been a challenge for scientists and philosophers. [ 2 ] [ 3 ] [ 4 ] This is partially because life is a process, not a substance. [ 5 ] [ 6 ] [ 7 ] This is complicated by a lack of knowledge of the characteristics of living entities, if any, that may have developed outside Earth.
At the same time, Tarkhanov holds a special place in the history of Georgia, Georgian culture, and education. He was the first Georgian physiologist before Ivane Beritashvili, who was himself the second outstanding Georgian physiologist from the Russian physiological school. Tarkhanov (Tarkhnishvili) was one of those bridges, through which the ...
Aristotle's Philosophy of Biology: Studies in the Origins of Life Science. Cambridge Studies in Philosophy and Biology. Cambridge, UK; New York: Cambridge University Press. ISBN 978-0-521-65976-5. LCCN 00026070. Oparin, A.I. (1953) [Originally published 1938; New York: The Macmillan Company]. The Origin of Life. Translation and new introduction ...