The rate of evolution is quantified as the speed of genetic or morphological change in a lineage over a period of time. The speed at which a molecular...

rate Mutation frequency Dysgenics Allele frequency Rate of evolution Genetics Cancer Scally A (December 2016). "The mutation rate in human evolution and...

predicted to appear as a stable lag of the mean trait value behind a moving environmental optimum, where the rate of evolution and change in the environment...

within the order. The rate of evolution within the genus has been slow, and almost all its species had become extinct by the end of the Pliocene. The sole...

rate of eye evolution is difficult to estimate because the fossil record, particularly of the lower Cambrian, is poor. How fast a circular patch of photoreceptor...

Quantum evolution is a component of George Gaylord Simpson's multi-tempoed theory of evolution proposed to explain the rapid emergence of higher taxonomic...

evolution at individual codons in a set of nucleotide sequences to vary in an autocorrelated manner. Under the covarion model, the rates of evolution...

these theories is that the rate of evolution of stars depends on their mass: The greater the mass, the faster this evolution, and the more quickly it leaves...

scientists of the period had written that saltational evolution was possible. Étienne Geoffroy Saint-Hilaire endorsed a theory of saltational evolution that...

Evolution is the change in the heritable characteristics of biological populations over successive generations. It occurs when evolutionary processes...

increased genetic variation, which led to an increased rate of evolution and the diversification of eukaryotes.[citation needed] Butterfield, Nicholas J...

selection. Adaptation is related to biological fitness, which governs the rate of evolution as measured by changes in allele frequencies. Often, two or more species...

simply be given by the mutation rate multiplied by two times the time since divergence. Thus the neutral theory of evolution provides a molecular clock, given...

The history of molecular evolution starts in the early 20th century with "comparative biochemistry", but the field of molecular evolution came into its...

A short-rate model, in the context of interest rate derivatives, is a mathematical model that describes the future evolution of interest rates by describing...

terms of the parameters used to describe the rates at which one nucleotide replaces another during evolution. These models are frequently used in molecular...

Enhanced Data rates for GSM Evolution (EDGE), also known as 2.75G and under various other names, is a 2G digital mobile phone technology for packet switched...

equilibria hypothesis suggests that anagenesis is rare and that the rate of evolution is most rapid immediately after a split which will lead to cladogenesis...

amount of evolution that has occurred on that branch will be underestimated for a given length of the branch and assuming a constant rate of evolution for...

organisms at about 760–1060 Ma on the basis of comparisons of the rate of evolution in closely related groups. For much of the Paleozoic Era (542–251 Ma), the...

most evolution is marked by long periods of evolutionary stability (called stasis), which is punctuated by rare instances of branching evolution. Phyletic...

mainly fossils. In biology, evolution is any change across successive generations in the heritable characteristics of biological populations. Evolutionary...

Experimental evolution is the use of laboratory experiments or controlled field manipulations to explore evolutionary dynamics. Evolution may be observed...

confusion regarding rates of change. His first point is to argue that phyletic gradualism—understood in the sense that evolution proceeds at a single...

method produces unrooted trees, but it does not assume a constant rate of evolution (i.e., a molecular clock) across lineages. The UPGMA (Unweighted Pair...

receptor, the canine transferrin receptor. CPV2 has a high rate of evolution, possibly due to a rate of nucleotide substitution that is more like RNA viruses...

latter that in fact sets the maximal rate of evolution by natural selection. More recent "travelling wave" models of rapid adaptation derive a term called...

a group of organisms related by a specific tree. Stationary, neutral, independent, finite sites models (assuming a constant rate of evolution) have two...

Cretaceous period) and, to the extent that they exhibit low rates of morphological evolution, extant species qualify as living fossils. It must be emphasised...

Shaw; F. Helen Rodd; Ruth G. Shaw (1997). "Evaluation of the Rate of Evolution in Natural Populations of Guppies (Poecilia reticulata)". Science. 275 (5308):...