Turnitin
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早检测系统
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Intrasexually selected weapons
We propose a practical concept that distinguishes the particular kind of weaponry that has
evolved to be used in combat between individuals of the same species and sex, which we …
evolved to be used in combat between individuals of the same species and sex, which we …
Health effects from long-range transported contaminants in Arctic top predators: an integrated review based on studies of polar bears and relevant model species
The aim of this review is to provide a thorough overview of the health effects from the
complexed biomagnified mixture of long-range transported industrial organochlorines …
complexed biomagnified mixture of long-range transported industrial organochlorines …
[HTML][HTML] State of knowledge on current exposure, fate and potential health effects of contaminants in polar bears from the circumpolar Arctic
The polar bear (Ursus maritimus) is among the Arctic species exposed to the highest
concentrations of long-range transported bioaccumulative contaminants, such as …
concentrations of long-range transported bioaccumulative contaminants, such as …
Common bottlenose dolphins (Tursiops truncatus) in California waters: Cranial differentiation of coastal and offshore ecotypes
WF Perrin, JL Thieleking, WA Walker… - Marine Mammal …, 2011 - Wiley Online Library
Coastal and offshore bottlenose dolphins in California waters are currently assessed and
managed as separate stocks. Recent molecular studies (of mtDNA haplotypes and …
managed as separate stocks. Recent molecular studies (of mtDNA haplotypes and …
The variability is in the sex chromosomes
Sex differences in the mean trait expression are well documented, not only for traits that are
directly associated with reproduction. Less is known about how the variability of traits differs …
directly associated with reproduction. Less is known about how the variability of traits differs …
Ontogenetic change in skull morphology and mechanical advantage in the spotted hyena (Crocuta crocuta)
Weaning represents a challenging transition for young mammals, one particularly difficult for
species co** with extreme conditions during feeding. Spotted hyenas (Crocuta crocuta) …
species co** with extreme conditions during feeding. Spotted hyenas (Crocuta crocuta) …
A circumpolar monitoring framework for polar bears
D Vongraven, J Aars, S Amstrup, SN Atkinson… - Ursus, 2012 - BioOne
Polar bears (Ursus maritimus) occupy remote regions that are characterized by harsh
weather and limited access. Polar bear populations can only persist where temporal and …
weather and limited access. Polar bear populations can only persist where temporal and …
Post-weaning maternal effects and the evolution of female dominance in the spotted hyena
Mammalian societies in which females dominate males are rare, and the factors favouring
the evolution of female dominance have yet to be clearly identified. We propose a new …
the evolution of female dominance have yet to be clearly identified. We propose a new …
Growing sabers: Mandibular shape and biomechanical performance trajectories during the ontogeny of Smilodon fatalis
The evolution of organisms can be studied through the lens of developmental systems, as
the timing of development of morphological features is an important aspect to consider when …
the timing of development of morphological features is an important aspect to consider when …
Relationships between POPs, biometrics and circulating steroids in male polar bears (Ursus maritimus) from Svalbard
The aim of this study was to determine the effects of persistent organic pollutants (POPs) and
biometric variables on circulating levels of steroid hormones (androgens, estrogens and …
biometric variables on circulating levels of steroid hormones (androgens, estrogens and …