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Data from: Postcopulatory sexual selection is associated with accelerated evolution of sperm morphology
- 负责人：
- DOI：
- doi:10.5061/dryad.qb2c7
- 摘要：
- . Spermatozoa exhibit remarkable variability in size and shape, and studies report a correlation between sperm morphology (sperm length and shape
Data from: Coevolutionary feedbacks between female mating interval and male allocation to competing sperm traits can drive evolution of costly
- 负责人：
- DOI：
- doi:10.5061/dryad.3mh3c
- 摘要：
- Complex coevolutionary feedbacks between female mating interval and male sperm traits have been hypothesized to explain the evolution and per
Data from: Sperm production characteristics vary with level of sperm competition in Cataglyphis desert ants
- 负责人：
- DOI：
- doi:10.5061/dryad.v7000
- 摘要：
- of spermatozoa stored in their accessory testes at emergence is thus a reliable measure of total investment into sperm production. In a comparative study of 15
Data from: Male sperm storage compromises sperm motility in guppies
- 负责人：
- DOI：
- doi:10.5061/dryad.n687q
- 摘要：
- Sperm senescence can have important evolutionary implications due to its deleterious effects on sperm quality and offspring performance. Consequent
Data from: The effects of male age, sperm age and mating history on ejaculate senescence
- 负责人：
- DOI：
- doi:10.5061/dryad.8p502cr
- 摘要：
- and his ability to produce competitive ejaculates. In many species, sperm traits differ between old and young males in ways that are likely to decrease the sperm
Data from: Sperm variation within a single ejaculate affects offspring development in Atlantic salmon
- 负责人：
- DOI：
- doi:10.5061/dryad.5f3f0
- 摘要：
- It is generally believed that variation in sperm phenotype within a single ejaculate has no consequences for offspring performance, because sperm
Data from: Extensive variation in sperm morphology in a frog with no sperm competition
- 负责人：
- DOI：
- doi:10.5061/dryad.ss8t1
- 摘要：
- Background: Recent comparative studies of several taxa have found that within-species variation in sperm size decreases with increasing levels
Data from: Sperm morph and remating frequency in the Indian meal moth, Plodia interpunctella
- 负责人：
- DOI：
- doi:10.5061/dryad.sb6sd80
- 摘要：
- All Lepidoptera produce two sperm types: normal, nucleated ‘eupyrene’ sperm and anucleate ‘apyrene’ sperm. One hypothesis for the evolution
Data from: Sperm head morphology is associated with sperm swimming speed: a comparative study of songbirds using electron microscopy
- 负责人：
- St?stad, Hanna Nyborg
- 关键词：
- Structure-function relationships Sexual selection Sperm competition Sperm shape Scanning electron microscopy
- DOI：
- doi:10.5061/dryad.341kj02
- 摘要：
- Sperm exhibit extraordinary levels of morphological diversification across the animal kingdom. In songbirds, sperm have a helically shaped head
Data from: No association between sperm competition and sperm length variation across dung flies (Scathophagidae)
- 负责人：
- DOI：
- doi:10.5061/dryad.8dc30
- 摘要：
- Sperm length is extremely variable across species, but a general explanation for this variation is lacking. However, when the risk
