Results 1 to 10 of about 119,910 (259)

The ontogeny of sexual size dimorphism of a moth: when do males and females grow apart? [PDF]

open access: yes, 2014
Sexual dimorphism in body size (sexual size dimorphism) is common in many species. The sources of selection that generate the independent evolution of adult male and female size have been investigated extensively by evolutionary biologists, but how and ...
Davidowitz, G.   +2 more
core   +7 more sources

Ownership-dependent mating tactics of minor males of the beetle Librodor japonicus (Nitidulidae) with intra-sexual dimorphism of mandibles [PDF]

open access: yes, 2007
Intra-sexual dimorphism is found in the weapons of many male beetles. Different behavioral tactics to access females between major and minor males, which adopt fighting and alternative tactics, respectively, are thought to maintain the male dimorphism ...
AP Bridge   +33 more
core   +1 more source

Sex-linked inheritance, genetic correlations and sexual dimorphism in three melanin-based colour traits in the barn owl. [PDF]

open access: yes, 2015
Theory states that genes on the sex chromosomes have stronger effects on sexual dimorphism than genes on the autosomes. Although empirical data are not necessarily consistent with this theory, this situation may prevail because the relative role of sex ...
Jensen, H., Roulin, A.
core   +1 more source

Separating sexual dimorphism from other morphological variation in a specimen complex of fossil marine reptiles (Reptilia, Ichthyosauriformes, Chaohusaurus). [PDF]

open access: yes, 2018
The Early Triassic Chaohu Fauna from Anhui Province, China, contains the oldest record of Mesozoic marine reptiles, such as Cartorhynchus and Sclerocormus.
Hu, Yuan-Chao   +7 more
core   +2 more sources

Two new genera of Laophontidae (Copepoda: Harpacticoida) without sexual dimorphism in the endopods of the swimming legs [PDF]

open access: yes, 2006
Two new monospecific genera of the harpacticoid family Laophontidae T. Scott, 1905 are described here. Apistophonte wasiniensis gen. et sp. n. was found along the Kenyan coast and Propephonte duangitensis gen. et sp. n.
De Troch, Marleen   +3 more
core   +2 more sources

Sex-biased parental care and sexual size dimorphism in a provisioning arthropod [PDF]

open access: yes, 2015
The diverse selection pressures driving the evolution of sexual size dimorphism (SSD) have long been debated. While the balance between fecundity selection and sexual selection has received much attention, explanations based on sex-specific ecology have ...
A Herrel   +87 more
core   +1 more source

First descriptions of copepodid stages, sexual dimorphism and intraspecific variability of Mesocletodes Sars, 1909 (Copepoda, Harpacticoida, Argestidae), including the description of a new species with broad abyssal distribution [PDF]

open access: yes, 2011
Mesocletodes Sars, 1909a encompasses 37 species to date. Initial evidence on intraspecific variability and sexual dimorphism has been verified for 77 specimens of Mesocletodes elmari sp. n. from various deep-sea regions, and ontogenetic development has
Menzel, Lena
core   +3 more sources

Sexual and geographic dimorphism in northern rockhopper penguins breeding in the South Atlantic Ocean [PDF]

open access: yes, 2020
The Endangered northern rockhopper penguin Eudyptes moseleyi, like all penguins, is monomorphic, making sex determination of individuals in the field challenging.
Bond, AL   +4 more
core   +1 more source

Face and voice attractiveness judgments change during adolescence [PDF]

open access: yes, 2009
Attractivenessjudgments are thought to underpin adaptive mate choice decisions. We investigated how these judgmentschange during adolescence when mate choice is becoming relevant.
DeBruine, Lisa   +4 more
core   +4 more sources

Sexual Dimorphism

open access: yesAnnual Review of Anthropology, 1985
doi:10.1146/annurev.an.14.100185.002241 ; Annual Review of Anthropology http://arjournals.annualreviews.org/loi ...
Frayer, David W., Wolpoff, Milford H.
openaire   +3 more sources

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