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] Examples of species which consist of non-overlapping generations are annual plants and several insect species. Non-overlapping generations is one of the characteristics that needs to be met in the Hardy–Weinberg model for evolution to occur. This is a very restrictive and unrealistic assumption, but one that is difficult to dispose of.
In evolutionary biology, sympatric speciation is the evolution of a new species from a surviving ancestral species while both continue to inhabit the same geographic region. In evolutionary biology and biogeography , sympatric and sympatry are terms referring to organisms whose ranges overlap so that they occur together at least in some places.
An overlapping gene (or OLG) [1] [2] is a gene whose expressible nucleotide sequence partially overlaps with the expressible nucleotide sequence of another gene. [3] In this way, a nucleotide sequence may make a contribution to the function of one or more gene products.
For example, Molecular Ecology, Proceedings of the Royal Society of London Series B, The American Naturalist and Theoretical Population Biology have overlap with ecology and other aspects of organismal biology. Overlap with ecology is also prominent in the review journals Trends in Ecology and Evolution and Annual Review of Ecology, Evolution ...
Alternatives to Darwinian evolution have been proposed by scholars investigating biology to explain signs of evolution and the relatedness of different groups of living things. The alternatives in question do not deny that evolutionary changes over time are the origin of the diversity of life, nor that the organisms alive today share a common ...
Here, the evolution of female egg receptors is thought to pressure bindin evolution in a selective runaway process. [25] This example of reproductive character displacement is highly suggestive of being the result of—and has been cited as strong evidence for—reinforcement. [25] [3]: 343–344
Some examples of contingency affecting evolutionary outcomes have been identified. In the E. coli long-term evolution experiment , out of the 12 populations, only one evolved the highly beneficial trait of growing on citrate , which further experimental replays using frozen ancestral bacteria showed required particular 'potentiating' mutations ...
Evolution – Monthly journal in the science of evolutionary biology; Evolutionary Anthropology – Bimonthly review journal; Evolutionary Bioinformatics – Peer-reviewed scientific journal focusing on computational biology in the study of evolution; Evolutionary Psychology – Peer-reviewed open access academic journal