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Natural selection
Natural selection

... Speciation occurs when: •one species splits into two or more species; •one specie become a new species over time, as resulted from the changes in the allele frequencies in the genetic pool. Macroevolution depends on speciation. ...
The Origin of Species
The Origin of Species

... adaptation to the environment and the origin of new species as closely related processes  From studies made years after Darwin’s voyage, biologists have concluded that this is what happened to the Galápagos finches ...
Plasticity and evolution in correlated suites of traits
Plasticity and evolution in correlated suites of traits

... We collected fish from high-predation (HP) and adjacent low-predation (LP) localities in the Aripo river drainage in 2012 and in the Quare river drainage in 2014 (Gilliam et al., 1993; Reznick et al., 2001). Although geographically close to one another, population genomic comparisons reveal that gup ...
Evolutionary Chance Mutation
Evolutionary Chance Mutation

... that all genetic mutations are a matter of “chance.” I will begin by reviewing different formulations of this idea and then move on to show that the Modern Synthesis’ consensus view corresponds to what I call “evolutionary chance mutation.” The second part (Sections 6-11) pertains to Jablonka and La ...
Evolutionary Chance Mutation: A Defense of the - Philsci
Evolutionary Chance Mutation: A Defense of the - Philsci

... that all genetic mutations are a matter of “chance.” I will begin by reviewing different formulations of this idea and then move on to show that the Modern Synthesis’ consensus view corresponds to what I call “evolutionary chance mutation.” The second part (Sections 6-11) pertains to Jablonka and La ...
DARWIN`SDEBTTO PHILOSOPHY:AN
DARWIN`SDEBTTO PHILOSOPHY:AN

... the Study of Jvatural Philosophy stirred up in me a burning zeal to add even the most humble contribution to the noble structure of Natural Science. No one or a dozen other books influenced me nearly so much as these two.28 Darwin reread the Discourse late in 1838,~’ by which time he knew Herschel p ...
Natural selection
Natural selection

... Speciation occurs when: •one species splits into two or more species; •one species becomes a new species over time, as resulted from the changes in the allele frequencies in the genetic pool. Macroevolution depends on speciation. ...
Ecological Speciation Among Blue Holes in Mosquitofish
Ecological Speciation Among Blue Holes in Mosquitofish

... and does not require selection to directly favor reproductive isolation (i.e., reinforcement). Theory suggests that divergent natural selection between environments might often result in speciation as a by-product, however only a handful of examples where this may occur have so far been revealed (e. ...
Responses to climate change in avian migration time
Responses to climate change in avian migration time

... study, preferably many more. The same technical difficulties hamper also the study of quantitative genetics of migratory behaviour in the wild, and most evidence for the heritability of migratory behaviour is derived from laboratory experiments, which have demonstrated a genetic component in the tim ...
Ch_ 16_1 -2 - Mater Academy of International Studies
Ch_ 16_1 -2 - Mater Academy of International Studies

... Organisms don’t have an inborn drive to become more perfect. Evolution does not mean that over time a species becomes “better” somehow, and evolution does not progress in a predetermined direction. In addition, traits acquired by individuals during their lifetime cannot be passed on to offspring. ...
COURSE TITLE - Hazlet Township Public Schools
COURSE TITLE - Hazlet Township Public Schools

... A theory is broad in scope, generates new hypotheses and is supported by a large body of evidence. Science is a social activity, scientists build upon the work of others. Integrity is key; scientist must repeat the work of others. Biologists approach questions at different levels; their approaches c ...
Schultz 10e IMTB Chapter 06
Schultz 10e IMTB Chapter 06

... material from Darwin’s autobiography in which he provides an opportunity to observe how he saw himself—and from this reading he seems modest and gracious. Shortly after Darwin published his theory of evolution, Francis Galton, his cousin, was captivated by the biological and social implications of t ...
author`s proof!
author`s proof!

... when he claimed that “creatures inveterately wrong in their inductions have a pathetic but praiseworthy tendency to die out before reproducing their kind” (1969, p. 126). We find Daniel Dennett asserting that “Natural selection guarantees that most of an organism’s beliefs will be true, most of its ...
Evolution_Ch_8_transmittal_from_approved_CE_Sept_3
Evolution_Ch_8_transmittal_from_approved_CE_Sept_3

... Given our understanding of DNA, inheritance, and mutation, it is not difficult to accept that the genetic makeup of a species might change over time. And, given the human experience in plant and animal domestication, it is also quite obvious that selection can lead to significant changes in species ...
(political) origin of “corporate governance” species
(political) origin of “corporate governance” species

... The Darwinian argument as proposed here and applied to the analysis of corporate governance structures, in particular, is able to revise three crucial predictions of the current literature: 1. The prediction of convergence: Hansmann and Kraakman (2001) predict the convergence towards a shareholder-o ...
Review Evolution of Sex: Why Do Organisms Shuffle
Review Evolution of Sex: Why Do Organisms Shuffle

... CAB, more commonly known as the two-way linkage disequilibrium. In diploids, there are also associations between alleles at the same locus on homologous chromosomes. For example, consider a diploid model with a single di-allelic locus. The population could be described by the frequencies of genotype ...
Introduction to Evolutionary Computing
Introduction to Evolutionary Computing

... Lifeforms have basic instinct/ lifecycles geared towards reproduction ...
reinforcement in chorus frogs: lifetime fitness
reinforcement in chorus frogs: lifetime fitness

... as reproductive character displacement (Brown and Wilson 1956; Howard 1993). To ascertain whether an apparent pattern of character displacement is due to reinforcement, Howard (1993) established five criteria: (1) heterospecific matings occur in nature, (2) hybridization is maladaptive, (3) the obse ...
Levels, Time and Fitness in Evolutionary Transitions in Individuality
Levels, Time and Fitness in Evolutionary Transitions in Individuality

... understanding of the concept of reproduction which involves material overlap (for more on reproduction with material overlap see Griesemer 2000, 2014), which in Godfrey-Smith’s view unnecessarily constrains the idea of evolution by natural selection. Following Godfrey-Smith, I propose a broader conc ...
Levels, Time and Fitness in Evolutionary
Levels, Time and Fitness in Evolutionary

... understanding of the concept of reproduction which involves material overlap (for more on reproduction with material overlap see Griesemer 2000, 2014), which in Godfrey-Smith’s view unnecessarily constrains the idea of evolution by natural selection. Following Godfrey-Smith, I propose a broader conc ...
Darwin`s legacy: the forms, function and sexual diversity of flowers
Darwin`s legacy: the forms, function and sexual diversity of flowers

... Floral biology began in the seventeenth and eighteenth centuries when early naturalists, notably Christian Konrad Sprengel, Joseph Kölreuter and Thomas (Andrew) Knight, began to make controlled pollinations of flowers and attempted to understand their function (reviewed in Baker 1979). They observe ...
Eco-genetic modeling of contemporary life
Eco-genetic modeling of contemporary life

... The traditional approach to modeling animal populations in general, and fish populations in particular, is to assume that density dependence acts only during early life stages. When this assumption is made, optimization models can often be used to model life-history evolution. However, it is increasi ...
A multispecies approach for comparing sequence evolution of X
A multispecies approach for comparing sequence evolution of X

... be under more efficient selection than the autosomes. This could lead to ‘faster-X evolution ’, if a large proportion of mutations are fixed by positive selection, as suggested by recent studies in Drosophila. We used a multispecies approach to test this : Muller’s element D, an autosomal arm, is fu ...
Distortion of symmetrical introgression in a hybrid zone
Distortion of symmetrical introgression in a hybrid zone

... Basten & Asmussen, 1997). The cytonuclear disequilibrium has four estimators, D, D1, D2 and D3, where positive D ¼ DA M indicates a positive association between nuclear alleles (A) and mtDNA (M) from the same parental species. D1 ¼ DAA M is the association between parental mtDNA and its homozygote ( ...
Evolution of Australian biota
Evolution of Australian biota

... This included the land areas of the Earth now known as Africa, India, South America, New Zealand and Australia. About 100 mya, towards the end of the period when the dinosaurs were the most prominent terrestrial vertebrate fauna, this supercontinent began to break up. The Australian continent finall ...
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The eclipse of Darwinism

Julian Huxley used the phrase ""the eclipse of Darwinism"" to describe the state of affairs prior to the modern evolutionary synthesis when evolution was widely accepted in scientific circles but relatively few biologists believed that natural selection was its primary mechanism. Historians of science such as Peter J. Bowler have used the same phrase as a label for the period within the history of evolutionary thought from the 1880s through the first couple of decades of the 20th century when a number of alternatives to natural selection were developed and explored - as many biologists considered natural selection to have been a wrong guess on Charles Darwin's part, and others regarded natural selection as of relatively minor importance. Recently the term eclipse has been criticized for inaccurately implying that research on Darwinism paused during this period, Paul Farber and Mark Largent have suggested the biological term interphase as an alternative metaphor.There were four major alternatives to natural selection in the late 19th century: Theistic evolution was the belief that God directly guided evolution. (This should not be confused with the more recent use of the term theistic evolution, referring to the theological belief about the compatibility of science and religion.) The idea that evolution was driven by the inheritance of characteristics acquired during the life of the organism was called neo-Lamarckism. Orthogenesis involved the belief that organisms were affected by internal forces or laws of development that drove evolution in particular directions Saltationism propounded the idea that evolution was largely the product of large mutations that created new species in a single step.Theistic evolution largely disappeared from the scientific literature by the end of the 19th century as direct appeals to supernatural causes came to be seen as unscientific. The other alternatives had significant followings well into the 20th century; mainstream biology largely abandoned them only when developments in genetics made them seem increasingly untenable, and when the development of population genetics and the modern evolutionary synthesis demonstrated the explanatory power of natural selection. Ernst Mayr wrote that as late as 1930 most textbooks still emphasized such non-Darwinian mechanisms.
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