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共检索到93条 ,权限内显示50条;
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Data from: Maternal effects on offspring size and number in mosquitofish, Gambusia holbrooki
- 负责人:
- DOI:
- doi:10.5061/dryad.46r30
- 摘要:
- in the laboratory experiment. Our results highlight the importance of sampling the full size–range of mothers when investigating maternal effects on offspring size. They al
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Data from: Negative association between parental care and sibling cooperation in earwigs: a new perspective on the early evolution of family life?
- 负责人:
- DOI:
- doi:10.5061/dryad.5rg54
- 摘要:
- care), and (2) is translated into offspring survival, as well as female investment into future reproduction. We show that higher levels of sibling food transfer wer
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Data from: On the importance of having a good mother: maternal investment affects duckling mortality risk in wood ducks
- 负责人:
- DOI:
- doi:10.5061/dryad.4s3t2p3
- 摘要:
- . We investigated how variation in maternal investment in offspring by nesting female wood duck Aix sponsa affected duckling mortality (1?survival) to 60 days of age
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Data from: Sons do not take advantage of a head start: parity in herring gull offspring sex ratios despite greater initial investment in males
- 负责人:
- DOI:
- doi:10.5061/dryad.1s2p7
- 摘要:
- ain, no biases in sex ratios were recorded. Male offspring were favored in this population via greater maternal investment in eggs carrying male embryos and greater
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Data from: Cooperative breeding favours maternal investment in size over number of eggs in spiders
- 负责人:
- DOI:
- doi:10.5061/dryad.t6k57
- 摘要:
- The transition to cooperative breeding may alter maternal investment strategies depending on density of breeders, extent of reproductive
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Data from: Experimental increase in temperature affects eggshell thickness, and not egg mass, eggshell spottiness or egg composition in the great tit
- 负责人:
- DOI:
- doi:10.5061/dryad.nh3ss87
- 摘要:
- from control nestboxes had a thicker eggshell than last-laid eggs from heated nestboxes, suggesting a putative slight decrease of maternal investment
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Data from: Differential allocation in a lekking bird: females lay larger eggs and are more likely to have male chicks when they mate with less relate
- 负责人:
- DOI:
- doi:10.5061/dryad.vj3gm
- 摘要:
- The differential allocation hypothesis predicts increased investment in offspring when females mate with high-quality males. Few studies have teste
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Data from: Maternal size and body condition predict the amount of post-fertilization maternal provisioning in matrotrophic fish
- 负责人:
- DOI:
- doi:10.5061/dryad.qt8744c
- 摘要:
- the potential for such environmentally-induced adjustments of the offspring phenotype, causing correlations between offspring and maternal traits. Here we study
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Data from: Prenatal maternal effects appear to be insensitive to experimental or natural environmental variation
- 负责人:
- DOI:
- doi:10.5061/dryad.26h4q
- 摘要:
- ng egg formation affected maternal investment in eggs. Similarly, egg characteristics were found to be relatively insensitive to the environmental
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Data from: Effects of maternal investment, temperament, and cognition on guide dog success
- 负责人:
- Bray, Emily
- DOI:
- doi:10.5061/dryad.50fj0
- 摘要:
- s as a guide dog? To address these questions, we followed 98 puppies from birth to adulthood. We found that high levels of overall maternal behavior were linked