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  • noun

Words related to dimorphism

(chemistry) the property of certain substances that enables them to exist in two distinct crystalline forms

(biology) the existence of two forms of individual within the same animal species (independent of sex differences)

References in periodicals archive ?
A multicenter evaluation of whether gender dimorphism affects survival after trauma.
Sexual dimorphism and parental roles in the Thom-tailed Rayadito (Fumariidae).
Experimental evidence for density-determined wing dimorphism in two bush-crickets (Ensifera: Tettigoniidae).
sexual dimorphism of tarsal claws in anthonomine weevils (Coleoptera: Curculionidae).
Thus, subspecific and population-specific predictive models of sex identification are critical not only for establishing sex of shrikes in-hand, but also for understanding patterns of geographic variation in sexual dimorphism.
Studies focused on length-weight relationships in captive held individuals show that sexual dimorphism is common in freshwater crayfish species (Lindqvist & Lahti 1983; Holdich 2001; Mazlum et al.
2008a), the findings of the present study suggest that environmental PCB exposures may affect behavioral sexual dimorphism, as evidenced by modification of play behaviors, toy preferences, and sex-typical characteristics as reported by their mothers or parents.
Emmi Schlicht and Bart Kempenaers of the Max Planck Institute for Ornithology in Seewiesen investigated whether this could be the driving force behind the evolution of sexual dimorphism.
Symmetry, sexual dimorphism in facial proportions and male facial attractiveness.
Keywords: [beta]-Asarone Acorus calamus rhizome Candida albicans Ergosterol biosynthesis Dimorphism Biofilm formation
If Persons' hypothesis is true, then scientists may eventually find evidence of sexual dimorphism, as in birds, with a flashy male and a comparatively less ostentatious female.
The first section illustrates the differences between nautilids and ammonoids in respect to shell shape, ornamentation, body chamber, phragmocone, septa, the siphuncle and buoyancy regulation, apparatus, radula and diet, arms and tentacles, eyes, development, mode of life, reproduction, dimorphism, stability, swimming, pathology and teratology, taphonomy, biostratigraphy, mass extinctions, and more.
DIAGNOSIS: Pinophylus is distinguished from other conifer inhabiting genera of Phylini by the distinctive sexual dimorphism, with the costal margins of the hemelytra elongate and parallel-sided in the male and shorter and subovoid in the female; the brownish black dorsum with inconspicuous dark simple setae; the pretarsus with the base of the claw expanded and the pulvillus small; and the endosoma composed of two straps with a subapical secondary gonopore.
Sexual dimorphism of mature North Dakota moose (> 4.