Sentences with phrase «species with»

It also opens up potential avenues in embryology that would have been inconceivable otherwise — for example, using stem cells to accurately study the embryology of whales and other species with much longer (or shorter) gestation rates than humans.

«We show that this novel complex of dental morphology and tissues characterizes Theropoda, with the exception of species with modified feeding behaviors, suggesting that these characters are important for facilitating the hypercarnivorous diet of most theropods.»

For felid species with individually distinct fur patterns, such as tigers Panthera tigris [8], jaguars Panthera onca [10]--[12], snow leopards Panthera uncia [13], leopards Panthera pardus [14], cheetahs Acinonyx jubatus [15] and ocelots Leopardus pardalis [16], [17], data from camera - trapping can be analysed using capture - recapture models to estimate abundances and population dynamics [2].

The resulting assessments identify the species with greatest relative vulnerability to climate change and the geographic areas in which they are concentrated, including the Amazon basin for amphibians and birds, and the central Indo - west Pacific (Coral Triangle) for corals.

Species were assessed as highly exposed if they were among the 25 % of species with highest probability of bleaching and / or the greatest proportions of their ranges deemed unsuitable due to ocean acidification.

McGowen explained that this feature «has been connected to mammals with similar life histories, such as species with large generation times, large parental investment, and small effective population size.

The discovery could put the kibosh on a dubious distinction that some researchers have ascribed to humanity, said Sirianni — the idea that ours is the only species with detrimental cultural practices.

Species with larvae that are likely to be particularly exposed to sea surface warming (i.e., obligatory broadcast spawners and / or brooders) were regarded as having lower tolerance to warming, and we used evidence of past mass high temperature mortality as a proxy for measuring adult colonies» tolerances.

Entomologists have described a new butterfly species with striking olive green eye color.

The achievements of Dr. Venter will pave the way for the development of newly designed bacterial species with unprecedented functionalities, for instance for the production of fuels for the future.

A recent study found that genetic differentiation was much lower throughout a large fraction of the genome between the now sympatric species pair Helianthus annuus and H. petiolaris, which have diverged for ∼ 1.0 million years, than between more closely related species with non-overlapping geographical ranges [34], [35].

«And the species most positively impacted by the herbal supplements were predominantly species with documented health - promoting qualities.

Does quality affect growth rate and age at maturity in species with indeterminate growth?

S2), whereas gene sampling among species with only one or a few sequences is focused on a few mitochondrial genes so that gene overlap is generally high among congeneric species and closely related genera.

The toads» poison doesn't seem to be a problem for most birds, perhaps because of their close evolutionary relationship to birds in Asia, where toads (not cane toads, but species with very similar poisons) are common.

Takemura, T., et al., 2002: Single scattering albedo and radiative forcing of various aerosol species with a global three - dimensional model.

The range of substrates for plants is as broad as plant species with specific needs.

Although the record is imperfect, we can i think see the traces of a radiation of species with new adaptations to drier, more seasonal environments.

This dataset includes all species that met these criteria, while non-native species, species with few observations and summer - flowering species were not included in this analysis (Table 1).

His research work includes topics such as Baltic Sea food webs, ecological modeling, bioaccumulation of harmful substances, assessment of populations of aquatic species with several methods including hydro - acoustics — and recently, underwater soundscapes and impacts of underwater noise on marine life.

And, he points out, bird species with different ancestors may develop similar looks and behaviors.

However, it is unclear whether species with even high levels of genetic and physical diversity can adapt fast enough to the rapid and extreme shifts in climate that are projected over the next century (Vose et al. 2012).

Allopatric speciation holds that species with large central populations are stabilized by their large volume and the process gene flow.

Plant from multiple species, seed sources, and climate zones, particularly from locally - adapted sources Manage to maintain genetic diversity and phenotypic plasticity Create opportunities for rapid natural selection for species with high predicted potential for adverse impacts from climate change (Sturrock et al. 2011; Erickson et al. 2012; Alfaro et al. 2014; FAO 2014) Plant drought tolerant and native species Retain diversity of species and promote legacy trees Manage or restore mosaic (variable pattern of species and ages) and maintain or improve landscape connectivity Plant in asynchronous rotations and manage for diverse age classes Thin, plant, and use prescribed fire to favor species adapted to disturbance (Millar et al. 2007; Vose et al. 2016; Keane et al. forthcoming)

In principle, alterations can be limited to species carrying particular genetic sequences and will not spread into related species with different sequences, although this will require verification in the laboratory.

Yin explained: «The fact that we've identified a genetic signature for limb regeneration in three different species with three different types of appendages suggests that nature has created a common genetic instruction manual governing regeneration that may be shared by all forms of animal life, including humans.»

They show that there is a trade - off between ovariole number and egg size, that reductions in ovariole number evolve alongside shifts to specific food sources, and that ovariole number variation among species with different food sources is best explained by adaptation to specific ecological niches.

«We know that females from other species with low birth rates (like bats) are very choosy when it comes to mate selection, «says Pablo Santos, lead author of the study.

Species with smaller population size can more easily escape the harsh scrutiny of natural selection.

Though the evidence is compelling and the theory strong, more research must be done, particularly in bird species with latent Cry4, in order to confirm these results.

Extra bands were detected in some species with unknown reason.

«There is nothing in common among species with a baculum versus species without,» Dean says.

This is an early step towards answering questions about the evolution of species with molecular tools.

To test this hypothesis, we investigated the performance of larvae of Orbicella faveolata and Porites astreoides, two important Caribbean reef coral species with contrasting reproductive and algal transmission modes, under increased temperature and / or elevated DIN.

«We have shown that species with larger brains relative to their body size experience lower mortality than species with smaller brains, supporting the general importance of the cognitive buffer hypothesis in the evolution of large brains.»

Swedish scientists have mapped the gene sequence of Norway spruce (the Christmas tree)-- a species with huge economic and ecological importance — and that is the largest genome to have ever been mapped.

Although African maize is infected by several virus species from at least six different families, there are two that stand out as the greatest threat to African food security: these are Maize streak virus [MSV]; family Geminiviridae, a virus species with an extremely small single - stranded DNA genome that was first discovered infecting African maize over a century ago; and Maize rough dwarf virus [MRDV], family Reoviridae, a virus species with a complex double - stranded RNA genome that until recently was thought to occur only in Europe and Asia.

Breakthrough advances in genomic biotechnology are presenting the possibility of bringing back long - extinct species — or at least «proxy» species with traits and ecological functions similar to the extinct originals.

In addition, we have generated a high - quality RNA - Seq gene annotation pipeline that is now routinely used in Ensembl annotation and is proving particularly useful for species with very little protein or cDNA evidence.

Among large animals, the dog is an extraordinary species with an extremely high quantity of human - like pathologies, correlated with the large variety of races.

Similarly, species with narrow water transport cells acquired a finer circulatory system well before they confronted cold climates.

At least some scientists have concluded that the head - bobbing seen in pigeons and many other bird species with eyes on opposite sides of the head also serves to provide parallax data from two different positions.

This is particularly true among extant Hominoidea, which show diverse patterns of variation (e.g., Plavcan, 2001); for instance, gorillas are polygynous species with strong sexual dimorphism due to intense male - male competition, whereas chimpanzees are promiscuous with definitively smaller sexual dimorphism.

However, this has been difficult to prove as hundreds of species with large and dynamic geographic ranges have to be studied.

The new Texas native, Cimoliopterus dunni, is only the third pterosaur species with teeth from the Cretaceous of North America.

According to the researchers, the fact that so much variation escaped notice in D. melanogaster — a species with relatively simple genomes less like to hide variation — suggests that our own genomes, and those of the species we eat, are harboring an even larger store of medically and agriculturally important genetic variation.

Large ears increase air resistance, meaning that long - eared bats are forced to expend more energy than species with small ears.

In the meantime, Skinner recommends researchers and land managers «select a few species with specific goals in mind,» but understand that many factors, including how the land was previously managed, will have a bearing on results.

One example of a rare carnivorous species with a rapidly diminishing natural range requiring urgent conservation and management is Aldrovanda vesiculosa L. (Droseraceae), a rootless submerged carnivorous macrophyte with a disjunct global distribution (Elansary, Adamec & Štorchová, 2010; Cross, 2012a).

Five other bees per plant species were treated in the same way, visiting other flowers of the same species with the marked stigma.