| 词汇 | example_english_niche-construction |
| 释义 | niche constructioncollocation in Englishmeanings of nicheand constructionThese words are often used together. Click on the links below to explore the meanings. Or, see other collocations with niche. niche noun[C] uk /niːʃ/ us /nɪtʃ/ a job or position that is very suitable for someone, especially one that ... See more at niche construction noun uk /kənˈstrʌk.ʃən/ us /kənˈstrʌk.ʃən/ the work of building or making something, especially buildings, ... See more at construction Examples of niche constructionThese 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. Our theoretical analyses, which employed two-locus, population-genetic models, uncovered a number of interesting evolutionary consequences of the feedback from nicheconstruction. However, that does not mean there has been no evolutionary feedback from nicheconstruction: it merely switches the evolutionary responses to the cultural domain. In the following sections we argue that a nicheconstruction perspective is particularly valuable in the study of human evolution. Even here, however, the nicheconstruction model so far promises more than it delivers. For humans, cultural information may be expressed in nicheconstruction, but that does not make cultural evolution the same thing as nicheconstruction. If nicheconstruction is understood in this narrower way, a slight modification of their diagrams might be appropriate. Also, big brains would still remain adaptive even without nicheconstruction. Some defences of nicheconstruction appear to implausibly interpret standard views as denying that nicheconstruction happens. Is cultural inheritance a species of the same phenomenon as nicheconstruction? The hypothesis that comes closest to a solution comes from gene-culture coevolutionary theory and places explicit emphasis on culturally inherited nicheconstruction. In biology, "nicheconstruction" is the process in which an organism alters its environment in order to increase its chance of survival. Counteractive nicheconstruction implies only that a novel selection pressure is counteracted by the actions of an organism. This learning certainly opens up resources in the bird's environment that would be unavailable otherwise and is therefore an example of nicheconstruction. One way to understand nicheconstruction is to say that selection can act on larger temporal units than the lifetimes of single organisms. Should we regard this as an example of nicheconstruction? However, we have two reservations about nicheconstruction. This is just one possible consequence of nicheconstruction, and it is not well described as the nicheconstruction hypothesis. Indeed, it would be difficult to imagine selection without nicheconstruction. Environments are partly determined by independent environmental events (for example, climatic, geological, or chemical events), but also partly by ancestral nicheconstruction. 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. Want to learn more? Go to the definition of niche Go to the definition of construction See other collocations with niche |
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