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The tropopause is defined as the lowest level at which the lapse rate decreases to 2°C/km or less, provided that the average lapse-rate, between that level and all other higher levels within 2.0 km does not exceed 2°C/km. [1] The tropopause is a first-order discontinuity surface, in which temperature as a function of height varies ...
Evolutionary graph theory is an approach to studying how topology affects evolution of a population. That the underlying topology can substantially affect the results of the evolutionary process is seen most clearly in a paper by Erez Lieberman , Christoph Hauert and Martin Nowak .
Evolution provides the field of biology with a solid scientific base. The significance of evolutionary theory is summarised by Theodosius Dobzhansky as "nothing in biology makes sense except in the light of evolution." [78] [79] Nevertheless, the theory of evolution is not static. There is much discussion within the scientific community ...
A drawing of a graph with 6 vertices and 7 edges.. In mathematics and computer science, graph theory is the study of graphs, which are mathematical structures used to model pairwise relations between objects.
The march of progress is the canonical representation of evolution – the one picture immediately grasped and viscerally understood by all. ... The straitjacket of linear advance goes beyond iconography to the definition of evolution: the word itself becomes a synonym for progress. ...
NASCAR is set to run the season-opening exhibition Clash race at Bowman-Gray in February. The victory moves Allison, 86, into a solo fourth place on NASCAR’s all-time wins list.
The claim: Video shows Dallas tornado on Oct. 26, 2024. A Nov. 1 Facebook video (direct link, archive link) shows a montage of tornado and storm footage."Tornado in Dallas, Texas today. Oct. 26 ...
Charles Darwin in 1868. Darwinism is a term used to describe a theory of biological evolution developed by the English naturalist Charles Darwin (1809–1882) and others. The theory states that all species of organisms arise and develop through the natural selection of small, inherited variations that increase the individual's ability to compete, survive, and reproduce.