Results 21 to 30 of about 215,760 (285)
Maternal Inheritance in Hybrids of Three Honey Bee Subspecies
Journal of Apicultural Science, 2019 The identification of honey bee (Apis mellifera) subspecies is often based on the measurements of workers’ fore-wings. The interpretation of the measurements can be difficult because the phenotype of workers is affected by both genetic and environmental ...
Węgrzynowicz Paweł +4 more
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The subspecialization conundrum [PDF]
Indian Journal of Radiology and Imaging, 2010 At a recent pediatric radiology update, a non-scientific, keypad based survey of the residents and consultants threw up some very interesting numbers. Almost 63% said that they had received less than 2 weeks of dedicated pediatric radiology training with 82% believing that their institutions did not really place any importance to dedicated pediatric
openaire +4 more sources
Fly, 2018 The willistoni species subgroup has been the subject of several studies since the latter half of the past century and is considered a Neotropical model for evolutionary studies, given the many levels of reproductive isolation and different evolutionary ...
Rebeca Zanini +5 more
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Unified phylogenetic species concept: taking subspecies and race out of science: postmodern theory applied to the Potamophylax cingulatus group (Trichoptera, Limnephilidae) [PDF]
Opuscula Zoologica Instituti Zoosystematici et Oecologici Universitatis Budapestinensis, 2018 The subspecies of the biological species concept with incomplete reproductive isolation versus the incipient sibling species of the phylogenetic species concept with permeable reproductive barrier are still applied side by side in the everyday practice ...
Oláh, J. +8 more
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Revisiting the Andean butterfly Eryphanis zolvizora group (Lepidoptera, Nymphalidae) : one or several species? [PDF]
, 2014 Eryphanis zolvizora (Hewitson, 1877) is a rare Andean endemic butterfly, described from Bolivia, which has been historically classified either as a unique species, or as part of a group of three allopatric species from Bolivia, Ecuador and Colombia.
Blandini, Patrick +5 more
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Ukrainian Botanical Journal, 2021 Muscari botryoides (L.) Mill. s. l. (Asparagaceae s. l. / Hyacinthaceae s. str.) is a taxonomically complicated species (or a species aggregate) with a high level of intraspecific polymorphism.
Boichuk S.V., Budzhak V.V.
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Phylogenetic and phenotypic divergence of an insular radiation of birds [PDF]
, 2010 Evolutionary divergence of lineages is one of the key mechanisms underpinning large scale patterns in biogeography and biodiversity. Island systems have been highly influential in shaping theories of evolutionary diversification and here I use the ...
Black, Richard Anthony +1 more
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Variability and Taxonomic Status of Siberian Population of Alpine Sculpin Cottus poecilopus Complex (Scorpaeniformes: Cottidae) [PDF]
Журнал Сибирского федерального университета: Серия Биология, 2013 The main goal of investigation is the analysis of ecological and geographical variability of morphological characters of alpine sculpin Cottus poecilopus complex in the Siberian rivers – Lena, Ob, Amur for identification of their taxonomic status.
Bakhtiar E. Bogdanov +2 more
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, 1994 Number of Pages: 2Integrative BiologyGeological ...
Powell, Robert, Thomas, Richard
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The Biology of Canadian Weeds. 131. \u3cem\u3ePolygonum aviculare\u3c/em\u3e L. [PDF]
, 2005 A review and assessment of biological information as well as personal data are provided for Polygonum aviculare in Canada. The species has been revised taxonomically and the six subspecies that occur in Canada are presented.
Costea, Mihai, Tardif, François J.
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