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The Price equation can describe any system that changes over time, but is most often applied in evolutionary biology. The evolution of sight provides an example of simple directional selection. The evolution of sickle cell anemia shows how a heterozygote advantage can affect trait evolution.
In biology, the biological cost or metabolic price is a measure of the increased energy metabolism that is required to achieve a function. Drug resistance in microbiology, for instance, has a very high metabolic price, [1] especially for antibiotic resistance. [2]
Frank, S.A. (1995). George Price's contributions to Evolutionary Genetics. Journal of Theoretical Biology 175: 373-388 abstract - full text, pdf 412 KB (both from Steven A. Frank's Home Page) Frank, S.A. (1997). The Price Equation, Fisher's fundamental theorem, kin selection, and causal analysis. Evolution 51:1712–1729 full text, pdf 551 KB
Evolutionarily stable strategies were defined and introduced by John Maynard Smith and George R. Price in a 1973 Nature paper. [2] Such was the time taken in peer-reviewing the paper for Nature that this was preceded by a 1972 essay by Maynard Smith in a book of essays titled On Evolution. [1]
Note: George Price, one of the early mathematical modellers of both altruism and spite, found this equivalence particularly disturbing at an emotional level. [21] Selfishness is the base criteria of all strategic choice from a game theory perspective – strategies not aimed at self-survival and self-replication are not long for any game ...
This glossary of biology terms is a list of definitions of fundamental terms and concepts used in biology, the study of life and of living organisms.It is intended as introductory material for novices; for more specific and technical definitions from sub-disciplines and related fields, see Glossary of cell biology, Glossary of genetics, Glossary of evolutionary biology, Glossary of ecology ...
Society6.com, which it acquired in June 2013, [12] provides an online commerce platform to sell images or designs on consumer products. SaatchiArt.com, which it acquired in August 2014, [13] is an online art gallery for the purpose of selling works. [11] In 2017, Leaf Group acquired Deny Designs, a modern home furnishings company based in Colorado.
"Sociobiology is now part of the core research and curriculum of virtually all biology departments, and it is a foundation of the work of almost all field biologists. " Sociobiological research on nonhuman organisms has increased dramatically and continuously in the world's top scientific journals such as Nature and Science .