筛选
科学数据
统计数据
共检索到214条 ,权限内显示50条;
Data from: Tactic-specific differences in seminal fluid influence sperm performance
- 负责人：
- 关键词：
- DOI：
- doi:10.5061/dryad.1pb77
- 摘要：
- Seminal fluid often makes up a large part of an ejaculate, yet most empirical and theoretical studies on sperm competition have focused on how sperm
Data from: Contrasting effects of large density changes on relative testes size in fluctuating populations of sympatric vole species
- 负责人：
- DOI：
- doi:10.5061/dryad.p8791
- 摘要：
- Across species, there is usually a positive relationship between sperm competition level and male reproductive effort on ejaculates, typically
Data from: Sperm competition roles and ejaculate investment in a promiscuous mammal
- 负责人：
- DOI：
- doi:10.5061/dryad.jj72n4t1
- 摘要：
- Theoretical models of sperm competition predict how males should allocate sperm and seminal fluid components to ejaculates according to their mati
Data from: The coevolution of ova defensiveness with sperm competitiveness in house mice
- 负责人：
- DOI：
- doi:10.5061/dryad.7287d
- 摘要：
- Theoretical models have suggested that sperm competition can lead to increased ova resistance to fertilization. While there is some comparati
Data from: Breeding system, shell size and age at sexual maturity affect sperm length in stylommatophoran gastropods
- 负责人：
- DOI：
- doi:10.5061/dryad.sg02c
- 摘要：
- and function are influenced by selective pressures. Theoretical models predict that sperm competition could favour the evolution of longer sperm
Data from: Ejaculate evolution in external fertilizers: influenced by sperm competition or sperm limitation?
- 负责人：
- DOI：
- doi:10.5061/dryad.t5jp7
- 摘要：
- The evolution of sperm quality and quantity is shaped by various selective processes, with sperm competition generally considered the primary
Data from: Developmental temperature affects the expression of ejaculatory traits and the outcome of sperm competition in Callosobruchus maculatus
- 负责人：
- DOI：
- doi:10.5061/dryad.2k0ks
- 摘要：
- lity. However, under conditions of sperm competition, males reared at either temperature extreme were less competitive in terms of sperm offence (P2), whilst
sperm competition
- 负责人：
- DOI：
- doi:10.5061/dryad.085vq
- 摘要：
- reproductive isolation between the two populations under a competitive setting, indicating no difficulty of sperm from Vancouver males to fertilize Colorado eggs after
Data from: Sperm head abnormalities are more frequent in songbirds with more helical sperm: A possible trade-off in sperm evolution
- 负责人：
- St?stad, Hanna
- DOI：
- doi:10.5061/dryad.1mj39tf
- 摘要：
- of sperm head abnormalities and sperm morphology, as well as the correlation between sperm head abnormalities and two indicators of sperm competition
Data from: Convergent evolution of sperm gigantism and the developmental origins of sperm size variability in Caenorhabditis nematodes
- 负责人：
- DOI：
- doi:10.5061/dryad.7gv8h
- 摘要：
- on, sperm competition and coevolution with female traits can drive spectacular morphological change in these cells. Here, we characterize four repeated instances
