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The pygmy mammoth is an example of insular dwarfism, a case of Foster's rule, its unusually small body size an adaptation to the limited resources of its island home.. A biological rule or biological law is a generalized law, principle, or rule of thumb formulated to describe patterns observed in living organisms.
In investing, downside beta is the beta that measures a stock's association with the overall stock market only on days when the market’s return is negative.Downside beta was first proposed by Roy 1952 [1] and then popularized in an investment book by Markowitz (1959).
The slide in Apple shares dragged down the broader market. The S&P 500 and Nasdaq Composite indexes fell about 0.6% and 1.6%, respectively. The blue-chip Dow Jones Industrial Average closed ...
Barclays sponsored the 2008 Dubai Tennis Championships. [180] Barclays was the sponsor of the Barclays Cycle Hire scheme in London from its inception in 2010 to 2015, as part of a £25 million deal with Transport for London. [181] [182] Barclays was a longtime title sponsor of the Premier League, in a sponsorship that started with the 2003–04 ...
In biochemistry, in the biological context of organisms' regulation of gene expression and production of gene products, downregulation is the process by which a cell decreases the production and quantities of its cellular components, such as RNA and proteins, in response to an external stimulus.
Oxford Dictionary of Biology (often abbreviated to ODB) is a multiple editions dictionary published by the English Oxford University Press. With more than 5,500 entries, [ 1 ] [ 2 ] it contains comprehensive information in English on topics relating to biology , biophysics , and biochemistry . [ 3 ]
Biology is the scientific study of life. [ 1 ] [ 2 ] [ 3 ] It is a natural science with a broad scope but has several unifying themes that tie it together as a single, coherent field. [ 1 ] [ 2 ] [ 3 ] For instance, all organisms are composed of at least one cell that processes hereditary information encoded in genes , which can be transmitted ...
Also called functionalism. The Darwinian view that many or most physiological and behavioral traits of organisms are adaptations that have evolved for specific functions or for specific reasons (as opposed to being byproducts of the evolution of other traits, consequences of biological constraints, or the result of random variation). adaptive radiation The simultaneous or near-simultaneous ...