From Darwinian Metaphysics towards Understanding the Evolution
... with Darwinism historically, biologically and philosophically; even more so if one finally proposes a critique of assumptions central to current Darwinian paradigms. Interdisciplinary work requires specialized devotion to various fields, merely to gain an overview of pertinent research – be it on th ...
... with Darwinism historically, biologically and philosophically; even more so if one finally proposes a critique of assumptions central to current Darwinian paradigms. Interdisciplinary work requires specialized devotion to various fields, merely to gain an overview of pertinent research – be it on th ...
Evolution - Krishikosh
... lives of those who have advanced science will show how their thought developed both as the result of their own work and by contact with others; and consideration of the advance of science in relation to the intellectual atmosphere of the non-scientific world around it may give a clearer idea of the ...
... lives of those who have advanced science will show how their thought developed both as the result of their own work and by contact with others; and consideration of the advance of science in relation to the intellectual atmosphere of the non-scientific world around it may give a clearer idea of the ...
Adaptive Speciation: Epilogue
... framework for the study of evolutionary dynamics in phenotype space are explained in Chapter 4 in Dieckmann et al. 2004, which focuses on asexual populations. Combining this with population genetic modeling leads to a fully fledged theory of adaptive speciation in sexual populations, both under comp ...
... framework for the study of evolutionary dynamics in phenotype space are explained in Chapter 4 in Dieckmann et al. 2004, which focuses on asexual populations. Combining this with population genetic modeling leads to a fully fledged theory of adaptive speciation in sexual populations, both under comp ...
Adaptive speciation: the role of natural selection in mechanisms of
... According to the spandrel approach, natural selection plays only an indirect role in the evolution of isolating mechanisms. Isolating mechanisms are not themselves selected. Nevertheless, natural selection explains speciation, because adaptive evolution produces reproductive isolation as a by-produc ...
... According to the spandrel approach, natural selection plays only an indirect role in the evolution of isolating mechanisms. Isolating mechanisms are not themselves selected. Nevertheless, natural selection explains speciation, because adaptive evolution produces reproductive isolation as a by-produc ...
Phenotypic flexibility and the evolution of organismal design
... organisms throughout their life, traditionally the subject of many physiological studies, has remained underexploited in evolutionary biology. Phenotypic flexibility, the reversible within-individual variation, is a function of environmental conditions varying predictably (e.g. with season), or of m ...
... organisms throughout their life, traditionally the subject of many physiological studies, has remained underexploited in evolutionary biology. Phenotypic flexibility, the reversible within-individual variation, is a function of environmental conditions varying predictably (e.g. with season), or of m ...
The Evolutionary Origin of the Vertebrate Body Plan: The Problem of
... The question of how we can formulate and explain the vertebrate body has been a central topic of comparative zoology since the late eighteenth century, when the Romantic movement and German idealism were influential (Table 1). Immanuel Kant, a philosopher in German idealism, acknowledged in his Kriti ...
... The question of how we can formulate and explain the vertebrate body has been a central topic of comparative zoology since the late eighteenth century, when the Romantic movement and German idealism were influential (Table 1). Immanuel Kant, a philosopher in German idealism, acknowledged in his Kriti ...
Richardson and Chipman 2003
... example). Indeed, Schwenk (’95) argues that evolutionary constraints affect characters, not clades or organisms. In the context of developmental constraints, morphological characters may not be the best parameter to consider. We suggest that constraints act not on single morphologies, but on transfo ...
... example). Indeed, Schwenk (’95) argues that evolutionary constraints affect characters, not clades or organisms. In the context of developmental constraints, morphological characters may not be the best parameter to consider. We suggest that constraints act not on single morphologies, but on transfo ...
(Roger Patterson)
... everyone who asks you a reason for the hope that is in you, with meekness and fear; having a good conscience, that when they defame you as evildoers, those who revile your good conduct in Christ may be ashamed. This passage tells us that we need to set apart Christ in our hearts, study to be prepare ...
... everyone who asks you a reason for the hope that is in you, with meekness and fear; having a good conscience, that when they defame you as evildoers, those who revile your good conduct in Christ may be ashamed. This passage tells us that we need to set apart Christ in our hearts, study to be prepare ...
The Evolutionary Emergence of Vertebrates From Among Their
... debated ad nauseam by anatomists, paleontologists, embryologists, and physiologists, but it is only now that molecular phylogenetics is providing a more rigorous framework for the placement of vertebrates among their invertebrate relatives that we can begin to arrive at concrete conclusions concerni ...
... debated ad nauseam by anatomists, paleontologists, embryologists, and physiologists, but it is only now that molecular phylogenetics is providing a more rigorous framework for the placement of vertebrates among their invertebrate relatives that we can begin to arrive at concrete conclusions concerni ...
The evolutionary links between fixed and variable traits - AGRO
... The developmental problems posed by gene and trait recombination. - In asexual organisms, mutations add variation sequentially, only rarely in parallel; the selection pressure to canalize traits against genetic perturbations will be steady but small. In sexual organisms, progeny encounter the proble ...
... The developmental problems posed by gene and trait recombination. - In asexual organisms, mutations add variation sequentially, only rarely in parallel; the selection pressure to canalize traits against genetic perturbations will be steady but small. In sexual organisms, progeny encounter the proble ...
Cambrian “Explosion,”
... radiometric methods.8 This horizon also marks the last occurrence of several fossils characteristic of the underlying late Precambrian Ediacaran Period.9 Such extinction events are commonly used to subdivide the geologic time scale. ...
... radiometric methods.8 This horizon also marks the last occurrence of several fossils characteristic of the underlying late Precambrian Ediacaran Period.9 Such extinction events are commonly used to subdivide the geologic time scale. ...
The Fossil Record of the Cambrian “Explosion”: Resolving the Tree
... Defining the Cambrian “explosion” is not as straightforward as it might seem. Although there was clearly a major burst of evolutionary innovation and diversification in the first 20 million years or so of the Cambrian, this was preceded by an extended period of about 40 million years during which me ...
... Defining the Cambrian “explosion” is not as straightforward as it might seem. Although there was clearly a major burst of evolutionary innovation and diversification in the first 20 million years or so of the Cambrian, this was preceded by an extended period of about 40 million years during which me ...
Evolution, Science, and Society: Evolutionary Biology
... Biological evolution consists of change in the hereditary characteristics of groups of organisms over the course of generations. Groups of organisms, termed populations and species, are formed by the division of ancestral populations or species, and the descendant groups then change independently. H ...
... Biological evolution consists of change in the hereditary characteristics of groups of organisms over the course of generations. Groups of organisms, termed populations and species, are formed by the division of ancestral populations or species, and the descendant groups then change independently. H ...
Niches in evolutionary theories of technical change
... definition of what is substantial will always stay a bit arbitrary, however, due to the fact that in this pattern the emergence of a new regime is continuous, cumulative, and emerges through adaptive change of longer sequences of small mutations, that emerge from regime internal market niches and is ...
... definition of what is substantial will always stay a bit arbitrary, however, due to the fact that in this pattern the emergence of a new regime is continuous, cumulative, and emerges through adaptive change of longer sequences of small mutations, that emerge from regime internal market niches and is ...
The Paleobiological Revolution
... literature of the use of the term neontology to refer to the study of living organisms. Overall, though, “E. R. C.” expressed a view that would become common among biologists, geologists, and even some paleontologists themselves: that subordinating paleontology to geology would provide “a better cha ...
... literature of the use of the term neontology to refer to the study of living organisms. Overall, though, “E. R. C.” expressed a view that would become common among biologists, geologists, and even some paleontologists themselves: that subordinating paleontology to geology would provide “a better cha ...
Interpreting evolutionary diagrams: When topology and process
... Novick (2008) found that textbooks ranging from middle school to upper level college present a range of evolutionary diagrams. Some of these diagrams illustrate what is known about macroevolutionary theory more robustly than others. In particular, cladograms convey patterns of nested sets of taxa su ...
... Novick (2008) found that textbooks ranging from middle school to upper level college present a range of evolutionary diagrams. Some of these diagrams illustrate what is known about macroevolutionary theory more robustly than others. In particular, cladograms convey patterns of nested sets of taxa su ...
The Growth of Structural and Functional Complexity
... generally accepted “Big Bang” model of cosmogenesis and its extensions sees the evolution of the universe as one in which simple, homogeneous systems became more differentiated and integrated in subsequent stages: after several rounds of “symmetry breaking” caused by the cooling down of the universe ...
... generally accepted “Big Bang” model of cosmogenesis and its extensions sees the evolution of the universe as one in which simple, homogeneous systems became more differentiated and integrated in subsequent stages: after several rounds of “symmetry breaking” caused by the cooling down of the universe ...
DOBZHANSKY ON EVOLUTIONARY DYNAMICS
... For Filipchenko, these distinctions may be applied only at or below the level of Linnean species, i.e., to individuals, pure lines (biotypes), Jordanons (races or subspecies) or species. "In this regard we go no further, ..., that is [not] beyond the species, for we hold that one must understand by ...
... For Filipchenko, these distinctions may be applied only at or below the level of Linnean species, i.e., to individuals, pure lines (biotypes), Jordanons (races or subspecies) or species. "In this regard we go no further, ..., that is [not] beyond the species, for we hold that one must understand by ...
as a PDF
... In terms of rates of change and the dynamics of evolution, the opposite end of the spectrum in relation to patterns of continuing evolutionary divergence and adaptive radiation is morphological stasis (Jackson and Cheetham, 1999). Evolutionary geneticists and biologists, especially those interested ...
... In terms of rates of change and the dynamics of evolution, the opposite end of the spectrum in relation to patterns of continuing evolutionary divergence and adaptive radiation is morphological stasis (Jackson and Cheetham, 1999). Evolutionary geneticists and biologists, especially those interested ...
Conceptual Barriers to Progress Within Evolutionary Biology
... The niche construction perspective differs from the conventional perspective in recognizing two major adaptive processes in evolution, natural selection and niche construction. The perspective also recognizes two general forms of inheritance in evolution, genetic and ecological inheritance. There ar ...
... The niche construction perspective differs from the conventional perspective in recognizing two major adaptive processes in evolution, natural selection and niche construction. The perspective also recognizes two general forms of inheritance in evolution, genetic and ecological inheritance. There ar ...
Inferring natural selection in a fossil threespine stickleback
... that long-term trends require species selection. Their claims generated heated controversy for two reasons: (1) the process they proposed had limited empirical support, relegating population genetic mechanisms that are readily observed in extant populations to little more than noise, and (2) there w ...
... that long-term trends require species selection. Their claims generated heated controversy for two reasons: (1) the process they proposed had limited empirical support, relegating population genetic mechanisms that are readily observed in extant populations to little more than noise, and (2) there w ...
use of an explicit method for distinguishing exaptations from
... paper as evolution based on adaptive processes) is used to elucidate this evolutionary process. When the environment acts in favor of selection (microevolution) of certain life forms to better explore a particular way of life, clearly the final expression of those given forms can be traced back from ...
... paper as evolution based on adaptive processes) is used to elucidate this evolutionary process. When the environment acts in favor of selection (microevolution) of certain life forms to better explore a particular way of life, clearly the final expression of those given forms can be traced back from ...
Can Modern Evolutionary Theory Explain Macroevolution?
... evolution within species, accumulated over time, explain the origin and diversification of higher taxa (Futuyma 1979, Mayr and Provine 1980). For about 20 years, rather little disagreement was audible, but challenges arose in the 1970s and 1980s that lay bare deep differences within evolutionary bio ...
... evolution within species, accumulated over time, explain the origin and diversification of higher taxa (Futuyma 1979, Mayr and Provine 1980). For about 20 years, rather little disagreement was audible, but challenges arose in the 1970s and 1980s that lay bare deep differences within evolutionary bio ...
Can Modern Evolutionary Theory Explain Macroevolution?
... evolution within species, accumulated over time, explain the origin and diversification of higher taxa (Futuyma 1979, Mayr and Provine 1980). For about 20 years, rather little disagreement was audible, but challenges arose in the 1970s and 1980s that lay bare deep differences within evolutionary bio ...
... evolution within species, accumulated over time, explain the origin and diversification of higher taxa (Futuyma 1979, Mayr and Provine 1980). For about 20 years, rather little disagreement was audible, but challenges arose in the 1970s and 1980s that lay bare deep differences within evolutionary bio ...