筛选
科学数据
统计数据
共检索到22条 ,权限内显示50条;
Survey of Gun Owners in the United States, 1996;;Archival Version
- 负责人:
- 关键词:
- DOI:
- doi:10.3886/icpsr02750
- 摘要:
- , and (6) other weapons used in self-defense. A "yes" response to a qualifying question led to a series of additional questions on the same topic as the qual
Survey of Gun Owners in the United States, 1996;;Version 1
- 负责人:
- 关键词:
- DOI:
- doi:10.3886/icpsr02750.v1
- 摘要:
- , and (6) other weapons used in self-defense. A "yes" response to a qualifying question led to a series of additional questions on the same topic as the qual
Data from: A weapons-testes trade-off in males is amplified in female traits
- 负责人:
- DOI:
- doi:10.5061/dryad.8g104tc
- 摘要:
- Sexually selected weapons are assumed to trade off with traits related to ejaculates, such as testes. Yet, remarkably little is known about wha
Data from: Use of a rostral appendage during social interactions in the Ecuadorian Anolis proboscis
- 负责人:
- DOI:
- doi:10.5061/dryad.pk84p
- 摘要:
- ly, a distinction between sexually selected traits as ornaments versus weapons has been advanced. We investigated the behaviour of an enigmatic lizard
Data from: Population density mediates the interaction between pre- and post-mating sexual selection
- 负责人:
- DOI:
- doi:10.5061/dryad.3877q7d
- 摘要:
- ity. We also found a shift from negative to positive linear selection on testes mass as density increased, and opposing selection on weapons and testes at high
Data from: Female density-dependent chemical warfare underlies fitness effects of group sex ratio in flour beetles
- 负责人:
- Agashe, Deepa
- 关键词:
- intrasexual competition interference competition quinones ethyl benzoquinone methyl benzoquinone
- DOI:
- doi:10.5061/dryad.p9v3q
- 摘要:
- fecundity. Thus, females appear to use quinones as weapons for female-specific, density-dependent interference competition. Our results underscore
Data from: Macronutrient balance mediates the growth of sexually selected weapons but not genitalia in male broad-horned beetles
- 负责人:
- DOI:
- doi:10.5061/dryad.4gg88
- 摘要:
- ratio around 1:2. The absolute size of a secondary sexual character, the mandibles, had a heightened response to the increased availability and r
Data from: Male-limited secondary sexual trait interacts with environment in determining female fitness
- 负责人:
- DOI:
- doi:10.5061/dryad.62fc1m4
- 摘要:
- used as weapons. The fitness of females from these lines was measured at a temperature to which the mites were adapted (24°C), as well as at two nove
Data from: Life-history differences favor evolution of male dimorphism in competitive games
- 负责人:
- DOI:
- doi:10.5061/dryad.81m7r
- 摘要:
- Many species exhibit two discrete male morphs: fighters and sneakers. Fighters are large and possess weapons but may mature slowly. Sneakers are smal
Data from: Dead or alive? Sexual conflict and lethal copulatory interactions in long-jawed Tetragnatha spiders
- 负责人:
- DOI:
- doi:10.5061/dryad.f4t990h
- 摘要:
- and as weapons in male–male competition, this divergence reflects repeated inter- and intra-sexual selection. To infer the causes of chelicera length diversity