词汇 | example_english_evolutionary |
释义 | Examples of evolutionaryThese examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. A far more:evolutionary policy is required—a policy of utilizing every acre in this country that is capable of being tilled or grazed. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 What is the evolutionary origin of such lateralizations? Current knowledge indicates that ticks have a life pattern that produces apparently conflicting evolutionary selection pressures. To contrast mitochondrial with nuclear variation strengthens demographic investigations because it offers an independent view of evolutionary forces. Evolutionary biology differentiates ' primitive ' features that are present in a species and species ancestral to it and related species. At the time of their writing, there was no explanation for diachronic change within societies other than that provided by race-based evolutionary theory. Since the regulation of enzyme activity (left) is of great evolutionary value, a number of different levels of control appeared during evolution. In the case of some and probably most males and females, facultative responsiveness makes great evolutionary sense. First, note that shepard's approach points the way to a long overdue task: to compile what can be considered evolutionary constraints on perception. In the end, preference for one source over the other may depend on whose evolutionary stories one finds congenial. Several of these commentators also address the evolutionary significance of symmetry perception. She is right to direct attention to evolutionary origins. A developmental constraint is simply a type of evolutionary constraint. Nevertheless, novel biological and evolutionary understanding of language (and other cognitive structures) may occur beforehand. Evolutionary theory would seem to be superfluous for understanding body (and therefore brain) functions. Whatever evolutionary mutation took place, it appears to have particularly affected the left hemisphere. Nevertheless, our constructive approach is consistent with evolutionary theory. A necessary first step in any evolutionary analysis is the identification of what is peculiarly human, for this allows correct focus of the undertaking. Focusing on the evolutionary context of those species would strengthen his analysis here. The human evolutionary response to the expression of pain can also be investigated. The four major perspectives from which behavior can be analyzed are proximate mechanisms, adaptive explanations, evolutionary history, and development. However, it does not distinguish current function from evolutionary origin; it lacks history. A complete explanation of animal behavior requires an evolutionary account. In an evolutionary sense, cuts in film must be grossly unnatural. If the purpose of taxonomic ranking is to assess whether there are differences in an evolutionary pattern between taxa, it is essential to be consistent. Far from explaining it away, evolutionary game theory emphasizes the urgency of the paradox. Evolutionary models can help generate hypotheses about what those nonstandard preferences are, and how we might expect people to respond to apparently irrational behavior. Whether these characteristics apply to decision-making in other kinds of cooperative relationship is open to evolutionary psychological and empirical analysis. Perhaps ironically, these processes themselves constrain evolutionary outcomes. Economists see no need to provide an evolutionary story behind every utility function. All highlight issues important to progress within evolutionary behavioral science. The expressions "short-term" and "long-term" are also deeply problematic as evolutionary concepts. The argument depends on the distinction between evolutionary adaptation and instrumental rationality (utility maximization given goals and beliefs). If a function for the dream experience is entertained, it is a biological or evolutionary one rather than a current concern or immediate psychological one. Consequently, the threat-simulation system was selected for during our evolutionary history. Treating constraints as objectives for singleobjective evolutionary optimization. More recently, a directed evolutionary approach has been attempted. The aim of this project is to develop a case-based model of design, using an evolutionary approach, for the adaptation of previously stored design solutions. In a multilevel evolutionary approach, at each level, a component is generated from a combination of components from the level immediately below. Exploring the design potential of evolutionary search, exploration and optimisation. The evolutionary discussions take the form of an orderby-order treatment of the ballooning behaviours and the ecological phylogenetics of spiders, spider mites and moth larvae. To what social and aesthetic ends would such a theory be put in a tradition which otherwise was not oriented towards evolutionary time? There is nothing less authentic or less real or less human about evolutionary time than there is about historical or narrative time. He too links the practice with evolutionary trends, drawing on primate activities. In this paper, we investigate general randomized search heuristics, namely a random local search algorithm and a mutation-based evolutionary algorithm. Another, not unrelated, factor in assessing competing models is to take due account of the evolutionary context in which our vision system evolved. What are the evolutionary selective costs and benefits of microbial behaviors? In addition, we argue that the evolutionary framework is superfluous. Therefore, human cognitive advances are only 5-6 million years old, the date of our last common ancestor, which is very young by evolutionary standards. Living organisms have continually moved into newer environmental regimes over their evolutionary history. Otherwise, in an evolutionary situation, no farmer will find it worth considering. There is an evolutionary story about why we might encode positive and negative stimuli differently. However, the evolutionary models have nothing to say about the extent of the inertia, whether the adoption is slow or fast. An evolutionary and developmental theory of biphasic processes underlying approach and withdrawal. Biological solutions do not emerge exnovo as the most parsimonious possibilities, but develop from preexisting structures and therefore are constrained by their evolutionary past. Besides, they draw a strict division line between them and the rest of evolutionary processes, claiming that only these three processes count as selection processes. Proponents of evolutionary epistemology argue that our evolutionary world knowledge has no choice but to work with these necessary constraints. Especially, how it provides any evidence about what, if any, proper evolutionary function dreaming has. As described, it is only ancestral content that serves the (evolutionary) function stipulated by the theory. Rather, they may simply be an inherited "cost" of the evolutionary necessity to avoid threat. In the second case, many or even all carriers of the mutation will ultimately disappear from the evolutionary scene. Nevertheless, each of us must confront numerous specific biologically significant circumstances for which our evolutionary heritage cannot have prepared us. They also used this evolutionary character to accurately cor relate different sections. The target of the book is the question of the evolutionary inevitability of intelligence and our search for its extrater restrial equivalence. To what extent this evolutionary trend toward eye reduction could have been reversible is unknown. They summarize evolutionary innovations among early vascular land plants and look at their effects on weathering processes, pedogenesis and the hydrological cycle. One interesting conclusion is that one of the major controls on reef development is an intrinsic evolutionary component - the recruitment capacity of the macrofauna. 74 describe a new deep-sea fossil hatchetfish characterized by a unique morphology, and to discuss its affinities and evolutionary significance. In this sense, the changes we are witnessing are evolutionary rather than revolutionary. Given this concept of an evolutionary group defined by a field of competition, clonal populations can, potentially, be classified into these groups as well. Inbreeding depression is assumed to be a single, fixed parameter with no differences between sterility genotypes and no evolutionary response to a changing selfing rate. Phylogenomics : improving functional predictions for uncharacterized genes by evolutionary analysis. The model is very simple and, to some extent, allows one to equate the influence of structure in evolutionary change. The emerging conceptual framework of evolutionary developmental biology. A sample of many genes contains more information than just pairwise relationships : it is this information which might allow different evolutionary processes to be distinguished. The evolutionary relevance of this phenomenon, however, has not been explored in the present context. The implications of our model for agricultural and evolutionary genetic research are discussed. The variability in flanking regions was informative for phylogenetic inference and their evolutionary content. Overall, endangered species are likely to have greatly reduced long-term evolutionary potential compared with non-endangered species. There can be no doubt that evolutionary potential is reduced by genetic drift and inbreeding in small populations. Two main approaches have been taken to incorporate range constraints into evolutionary studies of microsatellite loci. Extreme environmental change and evolution : stress-induced morphological variation is strongly concordant with patterns of evolutionary divergence in shrew mandibles. At the molecular level, this cycle of environmental change and evolutionary response means that mutations are continually being tried out by natural selection. The former teleological interpretation of purpose has been replaced by an evolutionary perspective. Evolutionary developmental biology is a burgeoning field that can provide interesting and important insights into our understanding of the mechanisms of evolution. Each commercial company we visited used the evolutionary approach as the primary method of product development. First, they established and used an evolutionary approach to develop products that made the capture of design and manufacturing knowledge a more manageable task. Our perception of our impact on the planet as equivalent to a mass extinction simply reflects the evolutionary prism through which we view life. If we have no reason to reject such interaction, it is difficult to see how the current evolutionary accounts must militate against dualism. Evolutionary history, then, is a discipline of the present for the present. None the less the overall evolutionary picture remains vague. Perhaps, in the primordial soup, left and right handedness were in free competition until some small chance advantage became overwhelming through the evolutionary progress. A word of caution here: not all similarities indicate relationships with evolutionary significance. Scientists interested in biological diversity, and the evolutionary reasons for it, already see it in that light. On biological grounds one might suspect that the changes induced by early life experience are in an evolutionary context adaptive. The result is a set of viewpoints on contemporary man down the long corridor of his evolutionary past. The problem with their evolutionary sequence does not lie so much with what they say about technology as what they saw this technology as implying. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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