Zobrazeno 1 - 10
of 438
pro vyhledávání: '"B, Dugas"'
Publikováno v:
Ethology. 129:212-223
Publikováno v:
Behavioral Ecology.
Young animals often solicit care from their parents using behaviors and morphologies collectively termed begging. Many nestling altricial birds add to their familiar postures and vocalizations by displaying colorful mouthparts, hypothesized to enhanc
Autor:
Matthew B. Dugas, Shana E. Border
Publikováno v:
Journal of Ornithology. 163:553-563
Autor:
Shana E. Border, Matthew B. Dugas
Publikováno v:
Biological Journal of the Linnean Society. 135:52-61
Parasites have profound and widespread implications for the ecology and evolution of hosts, and human activity has increased the frequency of interactions between hosts and parasites that have not co-evolved. For example, by building habitat attracti
Autor:
Ryan T. Paitz, Matthew B. Dugas
Publikováno v:
Journal of experimental zoology. Part A, Ecological and integrative physiologyREFERENCES. 337(4)
Exposure to maternally derived steroids during embryonic development can elicit phenotypic effects in the resulting offspring. Studies of maternal steroid effects, especially rich in mammals and birds, have offered exciting insights into the evolutio
Publikováno v:
Biological Journal of the Linnean Society. 129:379-387
Anti-predator strategies can influence trade-offs governing other activities important to fitness. Crypsis, for example, might make conspicuous sexual display especially costly, whereas aposematism might reduce or remove such costs. We tested for cor
Publikováno v:
Toxicon. 161:40-43
Dendrobatid frogs sequester alkaloid defenses from dietary arthropods. Here, we provide experimental evidence that mother strawberry poison frogs (Oophaga pumilio) provision alkaloids to tadpoles. Captive-raised females were fed the synthetic alkaloi
Publikováno v:
Mediators of Inflammation, Vol 4, Iss 4, Pp 298-305 (1995)
Human monocytes, preincubated with IFN-γ respond to IL-4 by a cGMP increase through activation of an inducible NO synthase. Here, IL-4 was found to induce an accumulation of cGMP (1 – 3 min) and cAMP (20 – 25 min) in unstimulated monocytes. This
Externí odkaz:
https://doaj.org/article/0bff7f74e70e450496a00503ce3bb480
Publikováno v:
Journal of Evolutionary Biology. 31:457-468
Phenotypic polymorphism is common in animals, and the maintenance of multiple phenotypes in a population requires forces that act against homogenizing drift and selection. Male-male competition can contribute to the stability of a polymorphism when m
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