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  • biologists
  • We work with population biologists and ecosystem modellers to better understanding how the phytoplankton drive ocean processes and respond and adapt to the changes in ocean chemistry that are occurring as a result of human activities on a global scale. (mba.ac.uk)
  • bacteria
  • Monitoring the resistance prevalence of indicator bacteria such as Escherichia coli and enterococci in wild animals makes it possible to show that wildlife has the potential to serve as an environmental reservoir and melting pot of bacterial resistance. (frontiersin.org)
  • New research from the Massachusetts Institute of Technology (MIT, web.mit.edu) reveals that some unlikely subjects-bacteria-can have social structures similar to plants and animals. (flowcontrolnetwork.com)
  • The research shows that a few individuals in groups of closely related bacteria have the ability to produce chemical compounds that kill or slow the growth of other populations of bacteria in the environment, but not harm their own. (flowcontrolnetwork.com)
  • Cordero and colleagues from MIT, along with researchers from the French Research Institute for Exploitation of the Sea and Woods Hole Oceanographic Institution in Massachusetts, studied whether population-level organization exists for bacteria in the wild. (flowcontrolnetwork.com)
  • processes
  • The marine biota also provide a rich resource of models for the study of the evolution of fundamental life processes such as development and physiology as well as responses and adaptation to changes in their external environment. (mba.ac.uk)
  • This principle in population ecology provides the basis for formulating predictive theories and tests that follow: Simplified population models usually start with four key variables (four demographic processes) including death, birth, immigration, and emigration. (wikipedia.org)
  • research
  • Members of this research group are listed on the school website . (bristol.ac.uk)
  • While individual differences have been central to human psychology since the early 20th century [ 1 ], research on non-human animals has, until recently, tended to ignore the variation amongst individuals. (royalsocietypublishing.org)
  • The research builds on a number of recent findings, including the discovery of cell membrane properties that were thought to be typical of animal cells but now must be considered to be of much more ancient origin. (mba.ac.uk)
  • The National Science Foundation (NSF), an independent federal agency that supports fundamental research and education across all fields of science and engineering, funded the research. (flowcontrolnetwork.com)
  • Meiosis research within mammal populations is restricted due to the fundamental nature of meiosis. (wikipedia.org)
  • Wilson's book pioneered and popularized the attempt to explain the evolutionary mechanics behind social behaviors such as altruism, aggression, and nurturance, primarily in ants (Wilson's own research specialty) and other Hymenoptera, but also in other animals. (wikipedia.org)
  • The longest-living person whose dates of birth and death were verified to the modern norms of Guinness World Records and the Gerontology Research Group was Jeanne Calment (1875-1997), a French woman who lived to 122. (wikipedia.org)
  • Centre
  • 36 hours after the accident Soviet officials enacted a 10-kilometre exclusion zone which resulted in the rapid evacuation of 49,000 people primarily from Pripyat, the nearest large population centre. (wikipedia.org)
  • The Scheduled Tribe groups who were identified as more isolated from the wider community and who maintain a distinctive cultural identity have been categorised as 'Particularly Vulnerable Tribal Groups' (PTGs) previously known as Primitive Tribal Groups) by the Government at the Centre. (wikipedia.org)
  • ecology
  • The development of population ecology owes much to demography and actuarial life tables. (wikipedia.org)
  • The formula can be read as follows: the rate of change in the population (dN/dT) is equal to growth (aN) that is limited by carrying capacity (1-N/K). From these basic mathematical principles the discipline of population ecology expands into a field of investigation that queries the demographics of real populations and tests these results against the statistical models. (wikipedia.org)
  • The field of population ecology often uses data on life history and matrix algebra to develop projection matrices on fecundity and survivorship. (wikipedia.org)
  • habitat
  • And yet hunting and habitat destruction pushed the animal to extinction. (lowellsun.com)
  • Much of their breeding and wintering habitat is gone," says Scott C. Yaich of the conservation group Ducks Unlimited, and the animal's primary breeding-season food - beech mast, the nuts of a beech tree - is limited. (lowellsun.com)
  • Today, all three populations' ranges have shrunk in size due to habitat loss for agriculture and uncontrolled timber cutting, as well as hunting for meat. (wikipedia.org)
  • mutant
  • Checkpoints within the animal meiotic cell cycle serve to stop mutant meiocytes from progressing further within the cycle. (wikipedia.org)
  • Like yeast meiocytes, if an animal meiocyte differentiates into a mutant cell, the cell will undergo apoptosis. (wikipedia.org)
  • poses
  • Such a proposition, some experts say, poses a number of fundamental problems: There is some question as to whether today's forests can support a restored passenger pigeon population, and its nesting behaviors make the bird particularly susceptible to dying out again. (lowellsun.com)
  • insights
  • Knowledge of cell- to-cell variability will provide insights into the plasticity of populations and their responses to changing ocean conditions. (mba.ac.uk)
  • Likewise, the primary reason to develop an animal model of a human disease is to gain insights into the pathogenesis of the phenotype with the ultimate goal of identifying therapeutic targets and diagnostic markers. (ahajournals.org)
  • humans
  • Maximum life span (or, for humans, maximum reported age at death) is a measure of the maximum amount of time one or more members of a population have been observed to survive between birth and death. (wikipedia.org)
  • Cooperation exists not only in humans but in other animals as well. (wikipedia.org)
  • whereas
  • Whereas predation on the seed rain occurs when animals prey on released seeds usually flush with the ground surface, predation on the seed bank takes place after seeds have been incorporated deeply into the soil. (wikipedia.org)
  • Members
  • U Thant, Statement on Population by the Secretary-General of the United Nations In addition, Hardin also pointed out the problem of individuals acting in rational self-interest by claiming that if all members in a group used common resources for their own gain and with no regard for others, all resources would still eventually be depleted. (wikipedia.org)
  • The animals band together in three distinct kinds of groups: one or two females with young calves, three to six adult and yearling females with calves, and all-male groups with two to 18 members. (wikipedia.org)
  • Longevity refers only to the characteristics of the especially long lived members of a population, such as infirmities as they age or compression of morbidity, and not the specific life span of an individual. (wikipedia.org)
  • For example, when a ground squirrel sounds an alarm call to warn other group members of a nearby coyote, it draws attention to itself and increases its own odds of being eaten. (wikipedia.org)
  • Marmots as a group are the largest members of the squirrel family, with weights of adults varying from 3 to 7 kg depending on age and time of year. (wikipedia.org)
  • Therefore
  • Therefore, animals with shorter life span, like insects, are more common pre-dispersal predators. (wikipedia.org)
  • Nt+1 = (1 + R)Nt 1 + R = λ Nt+1 = λNt Therefore: Nt+1 = λtNt The doubling time of a population is the time required for the population to grow to twice its size. (wikipedia.org)
  • Definitions of agroecology, therefore, may be first grouped according to the specific contexts within which they situate agriculture. (wikipedia.org)
  • study
  • Instead, the study of cognition in animals has traditionally taken one of three (non-exclusive) forms. (royalsocietypublishing.org)
  • Recognizing that these properties are found on varying spatial scales, agroecologists do not limit themselves to the study of agroecosystems at any one scale: gene-organism-population-community-ecosystem-landscape-biome, field-farm-community-region-state-country-continent-global. (wikipedia.org)
  • cell
  • The animal meiotic cell cycle is very much like that of yeast. (wikipedia.org)
  • The meiotic cell cycle in plants is very different from that of yeast and animal cells. (wikipedia.org)
  • Cellular rearrangement is the process by which individual cells of a tissue rearrange to reshape the tissue as a whole, while cellular migration is the directed movement of a singular cell or small group of cells across a substrate such as a membrane or tissue. (wikipedia.org)
  • Cell theory provided a new perspective on the fundamental basis of life. (wikipedia.org)
  • however
  • Quasisocial animals, however, additionally share the responsibilities of brood care. (wikipedia.org)
  • However, in the remaining northeast states of Assam, Manipur, Sikkim, and Tripura, tribal peoples form between 20 and 30% of the population. (wikipedia.org)
  • taxa
  • Here is how communal, quasisocial, and semisocial taxa differ: In a communal group, adults cohabit in a single nest site, but they each care for their own young. (wikipedia.org)
  • compounds
  • Predator specialization requires that these animals utilize specific cues like plant chemistry (volatile compounds), color and size to attack seeds. (wikipedia.org)
  • studies
  • In animal studies, maximum span is often taken to be the mean life span of the most long-lived 10% of a given cohort. (wikipedia.org)
  • Animal studies suggest that further lengthening of human lifespan could be achieved through "calorie restriction mimetic" drugs or by directly reducing food consumption. (wikipedia.org)
  • agricultural
  • These hunting, food-gathering, and some agricultural communities, have been identified as less acculturated tribes among the tribal population groups and in need of special programmes for their sustainable development. (wikipedia.org)
  • loosely
  • Hindus revere the nilgai as sacred and associate it with the cow, the mother animal in Hinduism, through its name and loosely similar physical features. (wikipedia.org)
  • large
  • It will take further time and investigative funding to definitively determine the elevated relative risk of cancer amongst both the surviving employees and the population at large. (wikipedia.org)
  • Adivasi make up 8.6% of India's population, or 104 million people, according to the 2011 census, and a large percentage of the Nepalese population. (wikipedia.org)
  • evolution
  • Mathematical models used to calculate changes in population demographics and evolution hold the assumption (or null hypothesis) of no external influence. (wikipedia.org)
  • Matrix algebra is often used to investigate the evolution of age-structured or stage-structured populations. (wikipedia.org)
  • interaction
  • Furthermore, they insist that cooperation may not solely be an interaction between two individuals but may be part of the broader goal of unifying populations. (wikipedia.org)
  • reproductive
  • In each generation there is an effective population size denoted as Ne which constitutes the number of individuals in the population that are able to reproduce and will reproduce in any reproductive generation in concern. (wikipedia.org)
  • decline
  • The western or lowland bongo, T. e. eurycerus, faces an ongoing population decline, and the IUCN Antelope Specialist Group considers it to be Near Threatened on the conservation status scale. (wikipedia.org)
  • Knowledge
  • This knowledge is used to develop models of the costs and benefits of calcification that can be scaled from single cells to populations. (mba.ac.uk)
  • We can calculate the doubling time of a geometric population using the equation: Nt+1 = λtNt by exploiting our knowledge of the fact that the population (N) is twice its size (2N) after the doubling time. (wikipedia.org)
  • minority groups
  • After Jews began to immigrate to America in large numbers, they, like other minority groups, found it difficult to gain mainstream acceptance and obtain upward mobility (As Lenny Bruce lampooned, "He was charming. (wikipedia.org)
  • Environmental racism is the practice of environmental injustice within a racialized context, in which socially marginalized communities and minority groups are subjected to disproportionate exposure of environmental hazards, denial of access to sources of ecological sustenance such as clean air, water, and natural resources, or infringement of environmentally related human rights. (wikipedia.org)
  • biological
  • In a comprehensive analysis of samples from 107 aged human brains, researchers at the Allen Institute for Brain Science, UW Medicine and Kaiser Permanente Washington Health Research Institute have discovered details that will help researchers better understand the biological bases for Alzheimer's disease and dementia in older populations. (medical-hotspot.com)
  • Cancer
  • Cancer is a group of almost 200 diseases that involve variety of changes in cell structure, morphology, and physiology. (xonl.de)
  • The strongest evidence for health effects comes from associations observed in human populations with two forms of cancer: childhood leukemia and chronic lymphocytic leukemia in occupationally exposed adults. (arthurhu.com)
  • found
  • The aquarium may not have representatives of all groups, so discuss the organisms found in a real lake (the lake the students chose for their brochure). (docplayer.net)
  • Genetic studies shows that much of the Sherpa populating has allele frequencies which are often found in other Tibeto-Burman regions, in tested genes, the strongest affinity was for Tibetan population sample studies done in Xizang Tibetan Autonomous Region. (wikipedia.org)
  • Sherpa mtDNA distribution shows greater diversity, as Haplogroup A was found most frequently, followed by Haplogroup M9a, Haplogroup C4a, Haplogroup M70, and Haplogroup D. These haplogroups are also found in some Tibetan populations. (wikipedia.org)
  • alone
  • If you need a chiropractor that is able to treat animals then you are not alone. (healthybackin.pro)
  • Methods and Results- Immediately after hindlimb ischemia was created, rats were randomized to receive AM infusion plus bone marrow-derived mononuclear cell (MNC) transplantation (AM+MNC group), AM infusion alone (AM group), MNC transplantation alone (MNC group), or vehicle infusion (control group). (ahajournals.org)
  • study
  • A 2016 study of Sherpas in China suggested that a small portion of Sherpas and Tibetans allele frequencies originated from separate ancient populations, which was estimated to have remained somewhat distributed for 11,000 to 7,000 years. (wikipedia.org)
  • discuss
  • We discuss the fundamental difficulties preventing mathematical modeling of perception, cognition, emotions, and the role of dynamic logic (DL) in overcoming these difficulties. (mdpi.com)
  • basis
  • This real d has and Is the Heideggerian formation that there is a Platonico-Aristotelian population of capital that does other by basis( Looking the early volume certain to understand what is) and d is ancient. (keepergoals.com)
  • Elton organized species into functional groups, which was the basis for Raymond Lindeman's classic and landmark paper in 1942 on trophic dynamics. (wikipedia.org)
  • live
  • Things," in the IoT sense, can refer to a wide variety of devices such as heart monitoring implants, biochip transponders on farm animals, cameras streaming live feeds of wild animals in coastal waters, automobiles with built-in sensors, DNA analysis devices for environmental/food/pathogen monitoring, or field operation devices that assist firefighters in search and rescue operations. (wikipedia.org)
  • majority
  • More than 50 years after the social dislocations of World War II and the communist regime change, poor Roma settlements throughout the region are located on the outskirts of villages, separated from the majority population by roads, railways or other barriers, and disconnected from water pipelines and sewage treatment. (wikipedia.org)
  • food
  • 4 Light (source of energy for all life) Chlorophyll Food for the plant Carbon Dioxide (from animals) i. (docplayer.net)
  • Classify the organisms in the aquarium into groups based on the food they use. (docplayer.net)
  • Food webs are limited representations of real ecosystems as they necessarily aggregate many species into trophic species, which are functional groups of species that have the same predators and prey in a food web. (wikipedia.org)
  • Culture
  • In Central Europe, there have been documented cases within popular culture whereupon Romani populations are characterized as ecologically irresponsible. (wikipedia.org)
  • results
  • The lack of connection between the human data and the experimental data (animal and mechanistic) severely complicates the interpretation of these results. (arthurhu.com)
  • communities
  • Environmental racism in Europe has been documented in relation to racialized immigrant and migrant populations alongside Romani (Roma/Gypsy), Yenish, Irish Traveller, and communities (such as the Sami, Komi, and Nenets) from within continental borders. (wikipedia.org)
  • human
  • The Stone Age cultures ranged from early human groups with primitive tools to advanced agricultural societies, which used sophisticated stone tools, built fortified settlements and developed copper metallurgy. (wikipedia.org)
  • According
  • According to Sherpa oral history, four groups migrated out of Solukhumbu at different times, giving rise to the four fundamental Sherpa clans: Minyagpa, Thimmi, Sertawa and Chawa. (wikipedia.org)