Results 151 to 160 of about 133,288 (210)

Intraspecific Variation in the Alkaloids of Adalia decempunctata (Coleoptera, Coccinellidae): Sex, Reproduction and Colour Pattern Polymorphism. [PDF]

J Chem Ecol
Aslam M, Nedvěd O, Sloggett JJ.
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Intraspecific variation in the functional responses of an invasive tropical freshwater fish under increasing temperature regimes. [PDF]

Sci Rep
Ventura M, Cittadino S, Calizza E, Careddu G, Sporta Caputi S, Rossi L, Costantini ML.   +6 more
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Limited intraspecific variation in drought resistance along a pronounced tropical rainfall gradient. [PDF]

Proc Natl Acad Sci U S A
Comita LS, Jones FA, Manzané-Pinzón EJ, Álvarez-Cansino L, Cerón-Souza I, Contreras B, Jaén-Barrios N, Ferro N, Engelbrecht BMJ.   +8 more
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Intraspecific Variation and Species Coexistence

The American Naturalist, 2007
We use a two-species model of plant competition to explore the effect of intraspecific variation on community dynamics. The competitive ability ("performance") of each individual is assigned by an independent random draw from a species-specific probability distribution.
Jeremy W, Lichstein, Jonathan, Dushoff, Simon A, Levin, Stephen W, Pacala   +3 more
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Intraspecific Variation in Plasmodium Falciparum

The American Journal of Tropical Medicine and Hygiene, 1974
Abstract Significant structural differences are observed between the chloroquine-resistant Vietnam (Smith) strain and the chloroquine-sensitive Malaya (Camp-Sadun) strain of Plasmodium falciparum. The Vietnam strain shows subpellicular microtubules in the gametocyte, granular aggregates of the nucleus and enlargement of food vacuoles in the gametocyte ...
M, Aikawa, R A, Ward
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Intraspecific variation in the lens proteins

Biochemical Genetics, 1973
A review of the literature indicates that intraspecific variation among the lens proteins (crystallins) is almost invariably quantitative rather than qualitative. Lens extracts were examined from inbred strains of the laboratory mouse, rat, and guinea pig and from domestic breeds of sheep.
T H, Day, R M, Clayton
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The ecological importance of intraspecific variation

Nature Ecology & Evolution, 2017
Human activity is causing wild populations to experience rapid trait change and local extirpation. The resulting effects on intraspecific variation could have substantial consequences for ecological processes and ecosystem services. Although researchers have long acknowledged that variation among species influences the surrounding environment, only ...
Simone Des Roches, David M. Post, Nash E. Turley, Joseph K. Bailey, Andrew P. Hendry, Michael T. Kinnison, Jennifer A. Schweitzer, Eric P. Palkovacs   +7 more
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Intraspecific Variation in Cryptocaryon irritans

Journal of Eukaryotic Microbiology, 1997
ABSTRACT. Intraspecific variation in the ciliate Cryptocaryon irritans was examined using sequences of the first internal transcribed spacer region (ITS‐1) of ribosomal DNA (rDNA) combined with developmental and morphological characters. Amplified rDNA sequences consisting of 151 bases of the flanking 18 S and 5.8 S regions, and the entire ITS‐1 ...
Diggles, Benjamin K., Adlard, Robert D.
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Intraspecific flavonoid variation

The Botanical Review, 1987
This review is concerned with variation of flavonoid patterns within species. Many examples of species with invariant flavonoid patterns are known; there are at least as many examples where complex arrays of pigments are known. Eight categories of variation are discussed: 1) qualitatively invariant pigment profiles, 2) quantitative variation, 3 ...
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Intraspecific variation inEchinococcus: A biochemical approach

Zeitschrift f�r Parasitenkunde Parasitology Research, 1979
In the present study, the soluble proteins of Echinococcus were separated by thin-layer isoelectric focusing in polyacrylamide gels (pH range 3.5-9.5), in order to determine whether inter and intraspecific differences can be detected by this technique. The two distinct species E. granulosus and E.
Kumaratilake, L.M., Thompson, R.C.A., Dunsmore, J.D.   +2 more
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