搜索结果: 1-15 共查到“Natural Selection”相关记录27条 . 查询时间(0.107 秒)
Bee competitive: Research reveals the impact of natural selection on nectar supply and demand
natural selection nectar supply and demand seasonal imbalances
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2021/8/6
Theoretical research indicates that natural selection will increase existing seasonal imbalances between the supply of nectar from flowers and the demand from bees and other insects.
Genomic response to natural selection within alpine cattle breeds
cattle fitness footprints of selection genomics local adaptation PCAdapt
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2018/11/23
The aim of this study was to analyse the genomic regions that have been target of natural selection with respect to identifying the loci responsible mainly for fitness traits across six alpine cattle ...
Lizard blizzard survivors tell story of natural selection（图）
Lizard blizzard survivors tell story natural selection
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2017/9/4
An unusually cold winter in the U.S. in 2014 took a toll on the green anole lizard, a tree-dwelling creature common to the southeastern United States. A new study offers a rare view of natural selecti...
Changes in precipitation patterns influence natural selection at global scale
precipitation patterns natural selection global scale
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2017/3/14
What matters more for the evolution of plants and animals, precipitation or temperature? Scientists have found a surprising answer: rain and snow may play a more important role than how hot or cold it...
Putting Process and Product Conceptions of Natural Selection and Genetic Drift to the Test
natural selection genetic drift process product outcome causation
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2016/6/15
This paper argues for two claims. First, despite a persistent appearance to the contrary in the philosophy of biology literature, the question of whether natural selection and genetic drift should be ...
Natural Selection and Causal Productivity
Stuart Glennan Wesley Salmon natural selection causal production mark transmission individuality reductionism causal process causal propagation populations population level
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2016/6/15
In the recent philosophical literature, two questions have arisen concerning the status of natural selection: 1) Is it a population-level phenomenon, or is it an organism-level phenomenon? 2) Is it a ...
Teleología Naturalizada:Los conceptos de funcion,aptitud y adaptacion en la Teoría de la Seleccion Natural (Naturalized Teleology:The concepts of function,fitness and adaptation in Natural Selection Theory)
adaptación aptitud diseno funcion teleología Teoria de la Selección Natural adaptation design fitness function teleology Natural Selection Theory
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2016/6/12
En la Teoría de la Selección Natural, el concepto de función biológica debe suponerse para delimitar el concepto de aptitud; y éste debe suponerse para delimitar el concepto de adaptación y también pa...
From Survivors to Replicators:Evolution by Natural Selection Revisited
Evolution by natural selection Replicator individual-based models Natural selection Diachronic
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2016/6/12
For evolution by natural selection to occur it is classically admitted that the three ingredients ofcvariation, difference in fitness and heredity are necessary and sufficient. In this paper, I show u...
How to read “heritability” in the recipe approach to natural selection
heritability recipe approach natural selection
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2016/6/12
There are two ways evolution by natural selection (ENS) is conceptualized in the literature. One provides a ‘recipe’ for ENS incorporating three ingredients: variation, differences in fitness and heri...
Broken Mechanisms:Function,Pathology,and Natural Selection
Mechanism Function Pathology Natural Selection
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2016/5/30
The following describes one distinct sense of ‘mechanism’ which is prevalent in biology and biomedicine and which has important epistemic benefits. According to this sense, mechanisms are defined by t...
Natural selection in a contemporary human population
Evolutionary rates heritability Homo sapiens medical traits
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2016/3/18
Our aims were to demonstrate that natural selection is operating on contemporary humans, predict future evolutionary change for specific traits with medical significance, and show that for some traits...
Genome-wide polymorphisms show unexpected targets of natural selection
population genomics natural selection
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2015/12/11
Natural selection can act on all the expressed genes of an individual, leaving signatures of genetic differeniation or diversity at many loci across the genome. New power to assay these genome-wide ef...
Offspring sex ratio in domestic goats: Trivers-Willard out of natural selection
maternal age parental investment sex allocation
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2015/7/7
In the present
study we have analyzed an extensive data set on the secondary sex ratio (SSR) including 59 335 goat kids born
in 30 633 litters to 11 644 mothers on farms all over the Czech Republi...
Defining dysfunction: natural selection, design, and drawing a line
Biology Diagnosis Distribution Function Tests Medicine Natural Selection Probability Theory Teleology Variation
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2014/11/17
Accounts of the concepts of function and dysfunction have not adequately explained what factors determine the line between low-normal function and dysfunction. I call the challenge of doing so the lin...
Using engineering plus evolutionary analyses to answer natural selection questions（图）
natural selection engineering
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2014/3/18
AMHERST, Mass. – Introducing a new approach that combines evolutionary and engineering analyses to identify the targets of natural selection, researchers report in the current issue of Evolution that ...