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Divergent evolution or divergent selection is the accumulation of differences between closely related populations within a species, sometimes leading to speciation. Divergent evolution is typically exhibited when two populations become separated by a geographic barrier (such as in allopatric or peripatric speciation ) and experience different ...
The genetic differences among divergent populations can involve silent mutations (that have no effect on the phenotype) or give rise to significant morphological and/or physiological changes. Genetic divergence will always accompany reproductive isolation, either due to novel adaptations via selection and/or due to genetic drift, and is the ...
The development and spread of antibiotic resistant bacteria provides evidence that evolution due to natural selection is an ongoing process in the natural world. Natural selection is ubiquitous in all research pertaining to evolution, taking note of the fact that all of the following examples in each section of the article document the process.
Divergent evolution is the process of speciation. This can happen in several ways: Allopatric speciation is when species are separated by a physical barrier that separates the population into two groups. Evolutionary mechanisms such as genetic drift and natural selection can then act independently on each population. [9]
divergent evolution. Also divergence. The process by which any phenotypic or genotypic distinction emerges between two different populations or evolutionary lineages. Divergence may occur by any of a variety of mechanisms but is often especially noticeable after the two lineages have been reproductively isolated for many generations. [7 ...
Disruptive selection is of particular significance in the history of evolutionary study, as it is involved in one of evolution's "cardinal cases", namely the finch populations observed by Darwin in the Galápagos. He observed that the species of finches were similar enough to ostensibly have been descended from a single species.
After the final Divergent film’s 2016 debut, many of the franchise’s stars have gone on — or continued — to have very successful acting careers. Based on Veronica Roth’s book series of ...
Convergent evolution – Independent evolution of similar features List of examples of convergent evolution – Examples of separate lineages of organisms developing similar characteristics; Divergent evolution – Accumulation of differences between closely related species populations, leading to speciation