Ricklefs, R. E
... which are more informative about the restoration of typical life span than its extension. Most importantly, interpreting genetic effects on rate of ageing and life span requires an understanding of the evolutionary and environmental context of the experimental systems (Austad 1993a; Austad & Podluts ...
... which are more informative about the restoration of typical life span than its extension. Most importantly, interpreting genetic effects on rate of ageing and life span requires an understanding of the evolutionary and environmental context of the experimental systems (Austad 1993a; Austad & Podluts ...
Document
... time course of the accumulation of DMIs is not well understood19, 26-28, and rates may vary among taxa and among mechanisms underlying DMI evolution19. DMIs were long thought to arise either as a consequence of genetic drift, as a result of stochastic deactivation of gene duplicates29 or as a byprod ...
... time course of the accumulation of DMIs is not well understood19, 26-28, and rates may vary among taxa and among mechanisms underlying DMI evolution19. DMIs were long thought to arise either as a consequence of genetic drift, as a result of stochastic deactivation of gene duplicates29 or as a byprod ...
Population divergence and candidate signatures of natural selection
... still bridge the gap between species at the late stages of speciation (Chapman & Abbott 2010). By studying how natural selection and neutral evolutionary processes have affected the adaptation and differentiation between populations and individuals within species we can start to understand the mecha ...
... still bridge the gap between species at the late stages of speciation (Chapman & Abbott 2010). By studying how natural selection and neutral evolutionary processes have affected the adaptation and differentiation between populations and individuals within species we can start to understand the mecha ...
On Adaptive Accuracy and Precision in Natural Populations
... Of course, there are situations where even imprecision may be adaptive. If the fitness function is convex (i.e., it has a positive second derivative), then any variation, including developmental noise, may increase the expected fitness of an individual. The model to be presented here applies to trai ...
... Of course, there are situations where even imprecision may be adaptive. If the fitness function is convex (i.e., it has a positive second derivative), then any variation, including developmental noise, may increase the expected fitness of an individual. The model to be presented here applies to trai ...
Asa Gray and Charles Darwin: Corresponding Naturalists The
... Darwin’s ideas. As described by Hunter Dupree, Gray ensured that everything from Darwin’s pen that was destined for the Americas passed through his own hands, a privilege he guarded zealously. He first opened negotiations on Darwin’s behalf with Ticknor and Fields, the Boston publishing house with w ...
... Darwin’s ideas. As described by Hunter Dupree, Gray ensured that everything from Darwin’s pen that was destined for the Americas passed through his own hands, a privilege he guarded zealously. He first opened negotiations on Darwin’s behalf with Ticknor and Fields, the Boston publishing house with w ...
Evolution, Biogeography, and Maps
... movements of organisms. If it is fair to say that Wallace's line came to represent not only geographical boundaries of existing species but their history as well, then we must articulate how the map came to have this meaning. In other words, if both evolutionary and nonevolutionary faunal regions ca ...
... movements of organisms. If it is fair to say that Wallace's line came to represent not only geographical boundaries of existing species but their history as well, then we must articulate how the map came to have this meaning. In other words, if both evolutionary and nonevolutionary faunal regions ca ...
Evolution PowerPoint
... Miller, K. R., & Levine, J. S. (2005). Chapter 16: Evolution of Populations. Prentice Hall biology (North Carolina ed., pp. 392- 415). Upper Saddle River, N.J.: Prentice Hall. Miller, K. R., & Levine, J. S. (2005). Chapter 15: Darwin's Theory of Evolution. Prentice Hall biology (North Carolina ed., ...
... Miller, K. R., & Levine, J. S. (2005). Chapter 16: Evolution of Populations. Prentice Hall biology (North Carolina ed., pp. 392- 415). Upper Saddle River, N.J.: Prentice Hall. Miller, K. R., & Levine, J. S. (2005). Chapter 15: Darwin's Theory of Evolution. Prentice Hall biology (North Carolina ed., ...
The Evolutionary Emergence of Vertebrates From Among Their
... as the ancestors of vertebrates (Gee 1996). Mercifully, there is now much less equivocation over the relationships of vertebrates to their living relatives, none of which are thought of as being ancestral. Rather, vertebrates and their nearest kin—the invertebrate chordates, the hemichordates and th ...
... as the ancestors of vertebrates (Gee 1996). Mercifully, there is now much less equivocation over the relationships of vertebrates to their living relatives, none of which are thought of as being ancestral. Rather, vertebrates and their nearest kin—the invertebrate chordates, the hemichordates and th ...
Experimental evidence that source genetic variation drives
... a high rate of dilution in effect is a high rate of mortality imposed on the phage. Briefly, replicate lineages derived from a phage F6 mutant were serially passaged on a strain of the novel host Pseudomonas pseudoalcaligenes on which virus populations were diluted 1 000 000-fold when passaged. Unde ...
... a high rate of dilution in effect is a high rate of mortality imposed on the phage. Briefly, replicate lineages derived from a phage F6 mutant were serially passaged on a strain of the novel host Pseudomonas pseudoalcaligenes on which virus populations were diluted 1 000 000-fold when passaged. Unde ...
Ecological explanations for (incomplete) speciation
... selection often initiates the process of speciation, it often fails to complete it. Several time-based, geographic and genetic factors have been recognized to explain this variability in how far speciation proceeds. We review here recent evidence indicating that variability in the completeness of sp ...
... selection often initiates the process of speciation, it often fails to complete it. Several time-based, geographic and genetic factors have been recognized to explain this variability in how far speciation proceeds. We review here recent evidence indicating that variability in the completeness of sp ...
genetics and the fitness of hybrids
... of recombinant genotypes that have never before been subjected to selection. On average, these genotypes will be less well adapted than their parents, giving rise to some level of selection against hybrids. Hybrid breakdown, or the reduction in fitness of segregating hybrid progeny that often result ...
... of recombinant genotypes that have never before been subjected to selection. On average, these genotypes will be less well adapted than their parents, giving rise to some level of selection against hybrids. Hybrid breakdown, or the reduction in fitness of segregating hybrid progeny that often result ...
individual variation in mammals
... The study of individual variation offers an underexploited wealth of opportunities for mammalogists. This paper addresses recent developments in the study of both intra- and interindividual variation. After reviewing several methods (e.g., intraclass correlation, productmoment correlation, and confi ...
... The study of individual variation offers an underexploited wealth of opportunities for mammalogists. This paper addresses recent developments in the study of both intra- and interindividual variation. After reviewing several methods (e.g., intraclass correlation, productmoment correlation, and confi ...
A framework for comparing processes of speciation in the
... Box 2 Potential examples of multiple-effect traits Numerous examples of possible multiple-effect traits have been proposed in recent years, but few cases have been fully analysed. Work that has focused largely on the signalling component of the mate recognition system has proposed the existence of m ...
... Box 2 Potential examples of multiple-effect traits Numerous examples of possible multiple-effect traits have been proposed in recent years, but few cases have been fully analysed. Work that has focused largely on the signalling component of the mate recognition system has proposed the existence of m ...
Evolution, genes, and inter-disciplinary personality research
... To infer evolutionary histories and selective regimes from personality data is indeed a big step, dependent on the quality of both available data and theoretical models. McCrae asks if we really know enough to take this step, and Keller reminds us to be careful and critical before claiming firm concl ...
... To infer evolutionary histories and selective regimes from personality data is indeed a big step, dependent on the quality of both available data and theoretical models. McCrae asks if we really know enough to take this step, and Keller reminds us to be careful and critical before claiming firm concl ...
Asa Gray and Charles Darwin: Corresponding Naturalist Janet
... fictional tale, dividing up the intellectual world between them. Huxley dedicated most of his scientific ammunition to the issue of possible ape ancestry for humans. Charles Lyell, one of Darwin’s oldest friends, took on the domain of geology and the fossil record, while Joseph Hooker opted for the ...
... fictional tale, dividing up the intellectual world between them. Huxley dedicated most of his scientific ammunition to the issue of possible ape ancestry for humans. Charles Lyell, one of Darwin’s oldest friends, took on the domain of geology and the fossil record, while Joseph Hooker opted for the ...
Toward a New Comparative Musicology
... Merriam (1964) described three broad domains of music: sound, behavior and concept. To this day, classification of music has focused almost exclusively on sound. However, a major objective of the new comparative musicology is to apply classification procedures to musical behavior and meaning, just a ...
... Merriam (1964) described three broad domains of music: sound, behavior and concept. To this day, classification of music has focused almost exclusively on sound. However, a major objective of the new comparative musicology is to apply classification procedures to musical behavior and meaning, just a ...
Adaptive speciation: the role of natural selection in mechanisms of
... is less readily explained by natural selection. The problem is that, prima facie, speciation seems to be maladaptive. The traditional definition of speciation derives from Ernst MayrÕs biological species concept (BSC), according to which a species is a group of interbreeding populations reproductivel ...
... is less readily explained by natural selection. The problem is that, prima facie, speciation seems to be maladaptive. The traditional definition of speciation derives from Ernst MayrÕs biological species concept (BSC), according to which a species is a group of interbreeding populations reproductivel ...
miller 2000 mentaltraits - The University of New Mexico
... receivers and signallers, we may be more generous in accepting it as a well-designed adaptation. For fitness indicators that aim to create an impression of how an animal ranks along a single quantitative variable, there is not really much information to convey, so the signal itself need not be very ...
... receivers and signallers, we may be more generous in accepting it as a well-designed adaptation. For fitness indicators that aim to create an impression of how an animal ranks along a single quantitative variable, there is not really much information to convey, so the signal itself need not be very ...
Slide 1
... Areas of Focus within the Change Topics Unit: Evolution History, Scopes Monkey Trials, Darwin, Evolution, Evidences of Evolution, Four Parts to Darwin’s Theory, Natural Selection, The Mechanisms for Natural Selection, Divergent Evolution, Convergent Evolution, Diversity of Life Photo Tour, rWhat do ...
... Areas of Focus within the Change Topics Unit: Evolution History, Scopes Monkey Trials, Darwin, Evolution, Evidences of Evolution, Four Parts to Darwin’s Theory, Natural Selection, The Mechanisms for Natural Selection, Divergent Evolution, Convergent Evolution, Diversity of Life Photo Tour, rWhat do ...
File - wilson science WEBSITE
... believed that species had remained unchanged since their creation • However, a few doubts about the permanence of species were beginning to arise ...
... believed that species had remained unchanged since their creation • However, a few doubts about the permanence of species were beginning to arise ...
Darwinian Evolutionary Theory and Constructions of Race in Nazi
... Darwin’s work was originally published and integrated into society, other scientists modified and added their own ideas to it. One prominent evolutionary biologist was Ernst Haeckel, who during the late nineteenth century extended scientific thought into ideas about government and social policy base ...
... Darwin’s work was originally published and integrated into society, other scientists modified and added their own ideas to it. One prominent evolutionary biologist was Ernst Haeckel, who during the late nineteenth century extended scientific thought into ideas about government and social policy base ...
Science Review
... Zealand’s moas all share many similar characteristics. Geological evidence shows that the 4 land masses were once connected. What statement would support Darwinian ideas? ...
... Zealand’s moas all share many similar characteristics. Geological evidence shows that the 4 land masses were once connected. What statement would support Darwinian ideas? ...
Introduction. Extent, processes and evolutionary impact - BiK-F
... to reconstruct phylogenetic relationships or phylogeographic patterns. However, the genetic basis of natural selection and reproductive isolation were examined only recently, and thus there are still relatively few ecological genetic analyses that have gathered data ...
... to reconstruct phylogenetic relationships or phylogeographic patterns. However, the genetic basis of natural selection and reproductive isolation were examined only recently, and thus there are still relatively few ecological genetic analyses that have gathered data ...
Evolution and development of shape: integrating
... Multivariate analysis. Shape variation is inherently multidimensional because even simple shapes can vary in many different ways. Accordingly, analyses should use multivariate methods that simultaneously consider the covariation of all landmark coordinates16. A variety of multivariate methods are av ...
... Multivariate analysis. Shape variation is inherently multidimensional because even simple shapes can vary in many different ways. Accordingly, analyses should use multivariate methods that simultaneously consider the covariation of all landmark coordinates16. A variety of multivariate methods are av ...
The Genetic Architecture of Ecological Specialization: Correlated
... in two environments as two separate characters that are potentially genetically correlated (i.e., “fecundity in environment 1” and “fecundity in environment 2”; Falconer 1952; Via 1984, 1990; Via and Lande 1985). Causes of Genetic Correlations A genetic correlation reflects the shared effects of gen ...
... in two environments as two separate characters that are potentially genetically correlated (i.e., “fecundity in environment 1” and “fecundity in environment 2”; Falconer 1952; Via 1984, 1990; Via and Lande 1985). Causes of Genetic Correlations A genetic correlation reflects the shared effects of gen ...