Results 51 to 60 of about 43,801 (263)
Identifying environmental correlates of intraspecific genetic variation [PDF]
Heredity, 2016 Genetic variation is critical to the persistence of populations and their capacity to adapt to environmental change. The distribution of genetic variation across a species' range can reveal critical information that is not necessarily represented in species occurrence or abundance patterns. We identified environmental factors associated with the amount
K A, Harrisson +8 more
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The Anatomical Record, EarlyView.Abstract Differences in skull and tooth morphology, stomach contents, and estimated bite force between medium‐to‐large sized (≥100 kg) predatory theropod dinosaurs have long been suspected to correlate with differences in their diets and dietary guilds (e.g., hypercarnivory, piscivory).
Cassius Morrison +9 more
wiley +1 more source
Ecology and EvolutionClimate change is driving profound transformations in European forests. Understanding the adaptive potential of tree species is a key challenge for conservation and adaptation measures.
Samuel Aspalter +4 more
doaj +1 more source
THE RIBOSOMES OF DROSOPHILA II. STUDIES ON INTRASPECIFIC VARIATION [PDF]
Genetics, 1974 ABSTRACT Electrophoretic comparisons of 40S and 55S ribosomal subunit proteins from 18 strains of Drosophila melanogaster revealed the virtual absence of allelic variation. More detailed two-dimensional studies on the large subunit proteins in 6 of the strains demonstrated additional complexity but still no interstrain variation.
E M, Berger, L, Weber
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The Anatomical Record, EarlyView.Abstract Neuroanatomical research has progressed considerably in several vertebrate lineages, yet studies of reptilian brain morphology remain markedly underdeveloped. Here we provide the first description of macroscopic brain anatomy and its ontogeny in the viperid Bothrops moojeni, based on a sample of seven individuals.
Paula Araújo +2 more
wiley +1 more source
Intra-specific regulatory variation in Drosophila pseudoobscura.
PLoS ONE, 2013 It is generally accepted that gene regulation serves an important role in determining the phenotype. To shed light on the evolutionary forces operating on gene regulation, previous studies mainly focused on the expression differences between species and ...
Anton Suvorov +5 more
doaj +1 more source
The impact of intraspecific variation on food web structure [PDF]
Ecology, 2018 Abstract Accounting for the variation that occurs within species in food webs can theoretically result in significant changes in both network structure and dynamics. However, there has been little work exploring their role with empirical data.
Clegg, T., Ali, M., Beckerman, A.P.
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Early stages of tooth development in the harbor porpoise Phocoena phocoena
The Anatomical Record, EarlyView.Abstract Here we describe the stages of tooth development in toothed whales on the basis of the harbor porpoise (Phocoena phocoena). The aim of the study was to find out whether these stages are identical to those of other mammals analyzed so far although toothed whales are homodont and monophyodont.
Lasse M. Mathes +2 more
wiley +1 more source
Early evolution of the gular musculature and its innervation in ray‐finned fishes
The Anatomical Record, EarlyView.Abstract Gular muscles are an important but often overlooked component of cranial anatomy in bony fishes. They are located on the ventral surface of the head and are derived from the mandibular and hyoid arches. We present a comprehensive review of the gular musculature and its innervation across early diverging actinopterygian lineages. By integrating
Aléssio Datovo +4 more
wiley +1 more source
Biodiversity and intraspecific genetic variation [PDF]
Pure and Applied Chemistry, 1998 Abstract
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