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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. The Price equation can also be applied to population ...
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
A price system may be either a regulated price system (such as a fixed price system) where prices are administered by an authority, or it may be a free price system (such as a market system) where prices are left to float "freely" as determined by supply and demand without the intervention of an authority. A mixed price system involves a ...
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 ...
The evolution of biological complexity is one important outcome of the process of evolution. [1] Evolution has produced some remarkably complex organisms – although the actual level of complexity is very hard to define or measure accurately in biology, with properties such as gene content, the number of cell types or morphology all proposed as possible metrics.
A biological system is a complex network which connects several biologically relevant entities. Biological organization spans several scales and are determined based different structures depending on what the system is. [1] Examples of biological systems at the macro scale are populations of organisms.
Base point pricing is the system of firms setting prices of their goods based on a base cost plus transportation costs to a given market. [1] Although some consider this a form of collusion between the selling firms (it lowers the ability of buying firms to gain a competitive advantage by location or private transportation), it is common practice in the steel and automotive industries.
A biological network is a method of representing systems as complex sets of binary interactions or relations between various biological entities. [1] In general, networks or graphs are used to capture relationships between entities or objects. [1]