Philosophical Transactions of the Royal Society B: Biological Sciences
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Personality-dependent dispersal: characterization, ontogeny and consequences for spatially structured populationsDispersal is one of the most fundamental components of ecology, and affects processes as diverse as population growth, metapopulation dynamics, gene flow and adaptation. Although the act of moving from one habitat to another entails major costs to the disperser, empirical and theoretical studies suggest that these costs can be reduced by having morphological, physiological or behavioural s... ... hiện toàn bộ
Philosophical Transactions of the Royal Society B: Biological Sciences - Tập 365 Số 1560 - Trang 4065-4076 - 2010
Anthropogenic pollutants: a threat to ecosystem sustainability?Pollutants, including synthetic organic materials and heavy metals, are known to adversely affect physiological systems in all animal species studied to date. While many individual chemicals can perturb normal functions, the combined actions of multiple pollutants are of particular concern because they can exert effects even when each individual chemical is present at concentrations too lo... ... hiện toàn bộ
Philosophical Transactions of the Royal Society B: Biological Sciences - Tập 364 Số 1534 - Trang 3391-3401 - 2009
Mammal madness: is the mammal tree of life not yet resolved?Most molecular phylogenetic studies place all placental mammals into four superordinal groups, Laurasiatheria (e.g. dogs, bats, whales), Euarchontoglires (e.g. humans, rodents, colugos), Xenarthra (e.g. armadillos, anteaters) and Afrotheria (e.g. elephants, sea cows, tenrecs), and estimate that these clades last shared a common ancestor 90–110 million years ago. This phylogeny has provided... ... hiện toàn bộ
Philosophical Transactions of the Royal Society B: Biological Sciences - Tập 371 Số 1699 - Trang 20150140 - 2016
Role of neurotrophins and trk receptors in the development and maintenance of sensory neurons: an overviewThe neurotrophins are a family of polypeptide neuronal growth factors related to the prototypical neurotrophic factor, nerve growth factor (NGF). In mammals this gene family encompasses NGF, brain-derived neurotrophic factor (BDNF) and neurotrophins-3 and -4/5, (NT-3, NT-4/5). The neurotrophins initiate signal transduction in responsive cells by ligand induced dimerization and activation o... ... hiện toàn bộ
Philosophical Transactions of the Royal Society B: Biological Sciences - Tập 351 Số 1338 - Trang 365-373 - 1996
The role of intraspecific variation in the ecological and evolutionary success of diatoms in changing environmentsIntraspecific variation in diatoms has been shown to play a key role in species' responses to several important environmental factors such as light, salinity, temperature and nutrients. Furthermore, modelling efforts indicate that this variation within species extends bloom periods, and likely provides sufficient variability in competitive interactions between species under hydrographicall... ... hiện toàn bộ
Philosophical Transactions of the Royal Society B: Biological Sciences - Tập 372 Số 1728 - Trang 20160399 - 2017
From number sense to number symbols. An archaeological perspectiveHow and when did hominins move from the numerical cognition that we share with the rest of the animal world to number symbols? Objects with sequential markings have been used to store and retrieve numerical information since the beginning of the European Upper Palaeolithic (42 ka). An increase in the number of markings and complexity of coding is observed towards the end of this period. Th... ... hiện toàn bộ
Philosophical Transactions of the Royal Society B: Biological Sciences - Tập 373 Số 1740 - Trang 20160518 - 2018
Emotions are emergent processes: they require a dynamic computational architectureEmotion is a cultural and psychobiological adaptation mechanism which allows each individual to react flexibly and dynamically to environmental contingencies. From this claim flows a description of the elements theoretically needed to construct a virtual agent with the ability to display human-like emotions and to respond appropriately to human emotional expression. This article offers a b... ... hiện toàn bộ
Philosophical Transactions of the Royal Society B: Biological Sciences - Tập 364 Số 1535 - Trang 3459-3474 - 2009
Ageing of the B-cell repertoireOlder people are more susceptible to infection, less responsive to vaccination and have a more inflammatory immune environment. Using spectratype analysis, we have previously shown that the B-cell repertoire of older people shows evidence of inappropriate clonal expansions in the absence of challenge, and that this loss of B-cell diversity correlates with poor health. Studies on response t... ... hiện toàn bộ
Philosophical Transactions of the Royal Society B: Biological Sciences - Tập 370 Số 1676 - Trang 20140237 - 2015
The emergence and spread of finch trichomonosis in the British IslesFinch trichomonosis, caused by the protozoal parasiteTrichomonas gallinae , was first recognized as an emerging infectious disease of British passerines in 2005. The first year of seasonal epidemic mortality occurred in 2006 with significant declines of greenfinchCarduelis chloris and chaffinchFringilla coelebs p... ... hiện toàn bộ
Philosophical Transactions of the Royal Society B: Biological Sciences - Tập 367 Số 1604 - Trang 2852-2863 - 2012
Recent models for adaptive personality differences: a reviewIn this paper we review recent models that provide adaptive explanations for animal personalities: individual differences in behaviour (or suites of correlated behaviours) that are consistent over time or contexts. We start by briefly discussing patterns of variation in behaviour that have been documented in natural populations. In the main part of the paper we discuss models for personali... ... hiện toàn bộ
Philosophical Transactions of the Royal Society B: Biological Sciences - Tập 365 Số 1560 - Trang 3947-3958 - 2010
Tổng số: 282
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