Sentences with phrase «ecological niches in»

Birds have adapted to so many ecological niches in large part because of the variety of ways feathers lend them a competitive advantage.
The kangaroo, quoll, wombat, and cuscus are marsupials that inhabit ecological niches in Australia equivalent to those of the deer, rat, marmot, and flying squirrel of North America.
«Knowing which microbes live in various ecological niches in healthy people allows us to better investigate what goes awry in diseases thought to have a microbial link, like Crohn's disease and obesity,» says George Weinstock, associate director of the Genome Institute at Washington University in St Louis and one of the Human Microbiome Project's principal investigators.
«In view of Emiliania's rather small changes in metabolic performance observed in previous laboratory experiments, we predicted that it would still be able to maintain its ecological niche in an acidifying ocean.
In addition, as pH shifts away from acidic, the genus Bacteroides can also bloom as well, gaining an ecological niche in this less acidic environment courtesy of a low carb diet.

Not exact matches

So on average I think there's likely to be some froth or overvaluation in companies that are going to be No. 2 in an economic - ecological niche.
«In a country like India, with a high population density and a high level of poverty, virtually every ecological niche is occupied by some occupational or cultural human group for its sustenance.
Feminist utopian literature depicts these hidden communities in isolation from patriarchal civilization, which poses a threat to the creative and peaceful ecological niches imagined by women.
Marsupials have evolved in Australia several forms which occupy ecological niches held on other continents by placental mammals — wolf - like, squirrel - like, mole - like, woodchuck - like, etc..
There are many examples of convergent evolution where 2 very different animals with very different DNA look and behave very similarly because they are in similar ecological niches.
What seems to have happened in evolution is that every conceivable ecological niche gets occupied.
There are few ecological niches and crannies in the environment that sonic new denomination can not be designed to meet.
Anytime you prohibit some product or activity or service legally which has a demand in society, you create an ecological niche for organized crime to cater to that demand.
In evolutionary biology, convergent evolution is the process whereby organisms not closely related (not monophyletic), independently evolve similar traits as a result of having to adapt to similar environments or ecological niches.
What's more, work with animals has led to the idea that personality traits evolve to help individuals survive in a wider variety of ecological niches, and this is influencing the way psychologists think about human personality.
Biologists from Ludwig - Maximilians - Universitaet (LMU) in Munich have now elucidated the sensory basis of their ability to exploit a novel ecological niche.
One positive finding of the ecological niche modelling study is that while the ranges of many species are expected to contract, much of the remaining suitable habitat for many species will be located within existing protected areas, and that the recent creation of new reserves such as Itombwe and Kabobo in the Democratic Republic of Congo, have greatly increased the protection of some species under threat by future climate change.
Or the wild creatures exploited new ecological niches created by humans, gradually habituating themselves to people and, in essence, domesticating themselves.
This latest study is one of only a few well - documented examples of what evolutionary biologists call «character displacement,» in which similar species competing with each other evolve differences to take advantage of different ecological niches.
Though they also lost half their species, curiously, at least one species in each ecological niche survived.
It was a kind of ecological niche that no one wanted to occupy, and so it's easy for anything to crawl in there.»
«They provide us with an echo of real ecological processes, like adaptive radiations, when an organism rapidly diversifies due to a change in environment or to fill a new niche,» O'Dwyer said.
The research, publishing on March 24 in the Open Access journal PLOS Biology, identifies 122 new types of RNA bacteriophages in diverse ecological niches, providing an opportunity to define their contributions to ecology, and potentially to fight bacterial infections, particularly those resistant to antibiotics.
«Life on Earth has radiated into every conceivable — and in some cases almost inconceivable — ecological niche,» says Chris Impey of the University of Arizona in Tucson, US.
The latest technique for making these predictions is so - called ecological niche modelling, in which researchers log the locations of known species sightings, then gather environmental data for those places to define the ecological limits of the species» range.
«The point of the paper is really well taken,» says Dan Warren, an evolutionary ecologist at the University of California at Davis who is an expert in ecological niche models.
In this study, the research team, which included scientists from the London School of Hygiene & Tropical Medicine, Oxford University (UK) and the University of Toronto (Canada), established the ecological niche for Zika virus in the Americas (where Zika virus transmission has been reported or where conditions are suitableIn this study, the research team, which included scientists from the London School of Hygiene & Tropical Medicine, Oxford University (UK) and the University of Toronto (Canada), established the ecological niche for Zika virus in the Americas (where Zika virus transmission has been reported or where conditions are suitablein the Americas (where Zika virus transmission has been reported or where conditions are suitable).
Other dinosaur groups failed to do this, got locked in to narrow ecological niches, and ultimately went extinct.
Dinosaur body size evolved very rapidly in early forms, likely associated with the invasion of new ecological niches.
Part of the answer can be found in a new study appearing this week in Science that shows how the sudden emergence of just one or two new genes can profoundly transform organisms» appearance, behavior and ecological niche.
He collaborated on the article «Maximum Entropy - Based Ecological Niche Model and Bio-Climatic Determinants of Lone Star Tick (Amblyomma americanum) Niche» with faculty from Kansas State University's entomology and geography departments as well as other experts in the College of Veterinary Medicine.
The early wave of colonization began with lots of different - looking fish and over time there was an eventual filling of ecological niches accompanied by a decrease in colonization, Price said.
Using endophytic fungi to illustrate, Hawkes and Connor discuss the integration of ecological and evolutionary niche theory in plant microbiome studies to help with the development and implementation of microbiome treatments.
«This is possibly one of the best examples of ecological speciation, that is the process by which selection generates new species, in the marine environment because the species evolved by adapting to different ecological niches, rather than by being separated by geographic barriers for a very long time,» says Paolo Momigliano, post-doctoral researcher from the Ecological Genetics Reseecological speciation, that is the process by which selection generates new species, in the marine environment because the species evolved by adapting to different ecological niches, rather than by being separated by geographic barriers for a very long time,» says Paolo Momigliano, post-doctoral researcher from the Ecological Genetics Reseecological niches, rather than by being separated by geographic barriers for a very long time,» says Paolo Momigliano, post-doctoral researcher from the Ecological Genetics ReseEcological Genetics Research Unit.
The research provides insight into the ecological niche that the oversized creature may have filled in the wetlands of southwest China, where it lived.
Tan and other researchers in the laboratory of Georgia Tech Professor Lin Jiang tested that hypothesis using P. fluorescens, which rapidly evolves into two general phenotypes differentiated by the ecological niches they adopt in static test tube microcosms.
The finches filled the available ecological niches, taking advantage of the resources in ways that limited the ability of later - arriving birds to similarly establish themselves and diversify, he suggested.
Although the Rocky Mountain locust, the species that wreaked havoc here in the 19th century, does seem tohave disappeared, its ecological niche may be only temporarily vacant.
This paleo climatic data and the distribution of archaeological sites associated with the HP, as well of that of the Still Bay tradition, which existed in the same environments about 5,000 years before (76,000 to 71,000 years ago), enabled the researchers to model the emergence of these traditions with two predictive algorithms that permitted them to reconstruct the ecological niche associated with each tradition and determine whether these niches differed significantly through time.
This aids in mate recognition, thus maintaining each species» superiority in exploiting slightly different ecological niches.
Although an evolutionary innovation can open up new ecological niches, traits which are essentially beneficial can put species at a disadvantage in the context of rapid environmental changes.
In this study, the team found that the snow leopard had unique amino - acid changes in both genes that may have contributed to snow leopard's acquisition of an alpine, high altitude ecological nichIn this study, the team found that the snow leopard had unique amino - acid changes in both genes that may have contributed to snow leopard's acquisition of an alpine, high altitude ecological nichin both genes that may have contributed to snow leopard's acquisition of an alpine, high altitude ecological niche.
Across the large lakes of this region, the hybrid population then diversified in a process known as «adaptive radiation» (evolution of multiple new species adapted to different ecological niches).
For these migratory whales, geographical barriers do not exist in the vastness of the ocean, instead some rorquals differentiated by inhabiting different ecological niches.
Then a comparison between the genome - based ecological adaptations of different and related clades will be performed in order to explain niche differentiation.
The researchers uncovered a variety of features in the cichlid genome that enabled the fishes to thrive in new habitats and ecological niches within the Great Lakes of East Africa.
What this latest report now shows is the degree of fine - tuning that is possible after ecological, social, neurogenic, and socio - cognitive niche construction has already occurred — and resulted in the nutrient - dependent pheromone - controlled increased organismal complexity that is us.
Such fine - tuning would be different in different ecological niches.
This is when Earth saw a rapid burst of evolution - life forms diversified and adapted to new ecological niches and began to interact with each other in more complex ways.
Ecological niche models supported inference of drastic changes in the extent of its breeding range over the last glacial — interglacial cycle.
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