Results 261 to 270 of about 7,938,696 (303)
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BioEssays, 2000
We review the various factors that limit adaptation by natural selection. Recent discussion of constraints on selection and, conversely, of the factors that enhance "evolvability", have concentrated on the kinds of variation that can be produced. Here, we emphasise that adaptation depends on how the various evolutionary processes shape variation in ...
N, Barton, L, Partridge
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We review the various factors that limit adaptation by natural selection. Recent discussion of constraints on selection and, conversely, of the factors that enhance "evolvability", have concentrated on the kinds of variation that can be produced. Here, we emphasise that adaptation depends on how the various evolutionary processes shape variation in ...
N, Barton, L, Partridge
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Nature, 1998
Evidence indicates that the Earth self-regulates at a state that is tolerated by life, but why should the organisms that leave the most descendants be the ones that contribute to regulating their planetary environment? The evolving Gaia theory focuses on the feedback mechanisms, stemming from naturally selected traits of organisms, that could generate ...
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Evidence indicates that the Earth self-regulates at a state that is tolerated by life, but why should the organisms that leave the most descendants be the ones that contribute to regulating their planetary environment? The evolving Gaia theory focuses on the feedback mechanisms, stemming from naturally selected traits of organisms, that could generate ...
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Synthese, 1963
There is an old philosophical argument based upon the assumption that a good design presupposes an intelligent agency. If we encounter efficient machines, we must assume an intelligent planner. In the nineteenth century, biologists discounted this assumption.
B. Dunham +3 more
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There is an old philosophical argument based upon the assumption that a good design presupposes an intelligent agency. If we encounter efficient machines, we must assume an intelligent planner. In the nineteenth century, biologists discounted this assumption.
B. Dunham +3 more
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2016
In this chapter, I review the basic algorithm underlying the CODEML model implemented in the software package PAML. This is intended as a companion to the software's manual, and a primer to the extensive literature available on CODEML. At the end of this chapter, I hope that you will be able to understand enough of how CODEML operates to plan your own ...
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In this chapter, I review the basic algorithm underlying the CODEML model implemented in the software package PAML. This is intended as a companion to the software's manual, and a primer to the extensive literature available on CODEML. At the end of this chapter, I hope that you will be able to understand enough of how CODEML operates to plan your own ...
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The selective nature of metastasis
CANCER AND METASTASIS REVIEW, 1983The issue of whether metastases result from the random survival of cells released from a primary tumor or from the selective growth of specialized tumor subpopulations endowed with metastatic properties is important to our understanding of the metastatic process and to the development of therapeutic modalities against metastatic disease.
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Biological Reviews, 2019
ABSTRACTBiological mimicry has served as a salient example of natural selection for over a century, providing us with a dazzling array of very different examples across many unrelated taxa. We provide a conceptual framework that brings together apparently disparate examples of mimicry in a single model for the purpose of comparing how natural selection
Bruce Anderson, Marinus L. de Jager
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ABSTRACTBiological mimicry has served as a salient example of natural selection for over a century, providing us with a dazzling array of very different examples across many unrelated taxa. We provide a conceptual framework that brings together apparently disparate examples of mimicry in a single model for the purpose of comparing how natural selection
Bruce Anderson, Marinus L. de Jager
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Natural Selection and Heredity
Acta geneticae medicae et gemellologiae, 1962The intimate connection between natural selection and heredity is indicated by Prof. Dobshansky's definition of evolution as essentially just a change in gene frequencies, for natural selection is the agency that causes gene frequencies to change. Just as mutations are the raw material of evolution, selection is the force that preserves good genes ...
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Maladaptation and Natural Selection
The Quarterly Review of Biology, 2005The transformations George Williams initiated in evolutionary biology seem so blindingly obvious in retrospect that they spur the question of why he saw what no one else did. While most humans are prone to see only what theory predicts, Williams sees in bold relief whatever does not fit. Not an adaptationist or an anti-adaptationist, Williams is better
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Information Processing Letters, 1985
Abstract Replacement selection is the most popular algorithm used in the creation of initial runs for a sort/merge external sort. In 1972, Frazer and Wong suggested a variation, called natural selection, which uses an auxiliary memory reservoir to increase the performance of replacement selection.
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Abstract Replacement selection is the most popular algorithm used in the creation of initial runs for a sort/merge external sort. In 1972, Frazer and Wong suggested a variation, called natural selection, which uses an auxiliary memory reservoir to increase the performance of replacement selection.
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Logica Universalis, 2010
Is logic, feasibly, a product of natural selection? In this paper we treat this question as dependent upon the prior question of where logic is founded. After excluding other possibilities, we conclude that logic resides in our language, in the shape of inferential rules governing the logical vocabulary of the language.
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Is logic, feasibly, a product of natural selection? In this paper we treat this question as dependent upon the prior question of where logic is founded. After excluding other possibilities, we conclude that logic resides in our language, in the shape of inferential rules governing the logical vocabulary of the language.
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