Annual reproductive pattern in the dassieProcavia capensis
نویسندگان
چکیده
منابع مشابه
Kin Selection in the Annual Plant Impatiens Capensis
-Kin selection occurs when phenotypic variation in a character or set of characters is heritable, spatially structured, and has differential fitness effects on neighboring individuals. Spatially structured, heritable variation has been found for many characters of the annual plant Impatiens capensis (the first wo criteria). By manipulating plant growth by apical removal, I show that Impatiens f...
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Large and diverse genera, such as Silene need more reliable morphological traits for the credible identification and delimitation of the species. Despite the fact that the type of indumentum among the species of Silene had been addressed in most available revisions, monographs and floristic studies, the trichome-based features and their adaptational importance have not been investigated explici...
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—Gonadal development and plasma steroid hormone concentrations of wild (N1⁄4 73) and captive (N1⁄465) black rockfish Sebastes melanops were examined over 1 year. Seasonal variation was observed in the concentrations of testosterone and estradiol in the plasma of wild female black rockfish, the highest concentrations of each occurring in October. Male black rockfish exhibited the highest testost...
متن کاملThe ontogenetic pattern of mandibular gland components in queenless worker bees (Apis mellifera capensis Esch.).
The quantity and composition of the six major mandibular gland components of young queenless workers of the Cape honeybee (Apis mellifera capensis) were determined. The total amount of the six components increased with age. The relative quantities in the mandibular gland secretion of queenless caged workers were found to change rapidly during the first 4 days after emergence and to become domin...
متن کامل30th Annual Minisymposium on Reproductive Biology
* Presenting author underlined 9:00 AM T1 Identification of a unique integrator of the mitogenic effects of steroid hormone and growth factor pathways in the mammary gland and a potential oncogene of breast tumorigenesis, L. Anandan, Q. Li2, A. Kannan, J.P. Lydon, I.C. Bagchi, M.C. Bagchi, Department of Molecular & Integrative Physiology, Department of Veterinary Bioscience, University of Illin...
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ژورنال
عنوان ژورنال: South African Journal of Zoology
سال: 1982
ISSN: 0254-1858
DOI: 10.1080/02541858.1982.11447793