A local population can be confined to a spatially small area, i.e., the fish in one pond. Population - definition Population übersetzung Population Wörterbuch. 3. Each of three groups (designated I, II, and III) into which stars can be approximately divided on the basis of their manner of formation.
They are more likely to be predated on. The effects that density-dependent factors may have on a population are determined by its size; for example, a larger, denser population will be decimated more quickly by the spread of disease than a widely dispersed population. Als Population bezeichnet man in der Statistik eine willkürlich definierbare Gruppe von Individuen, die der statistischen Erhebung von Daten dient.. There are two traditionally recognized species of elephant, African elephants (Loxodonta Africana) and Asian Elephants (Elephas maximus), although recent research has divided the African elephants into two species: the African bush elephants (Loxodonta africana) and the African forest elephants (Loxodonta cyclotis). If individuals of local populations are able to disperse between other local populations, this is called a metapopulation. Does English Have More Words Than Any Other Language?
Biologydictionary.net, December 21, 2016. https://biologydictionary.net/population/. If environmental conditions within the valley differ from other surrounding valleys, and the toads are isolated from other populations of the same species for long enough, the behavior or morphology of the toad may change sufficiently enough so that it cannot mate with toads outside of the valley. Amphibians such as toads may spawn in the lake, and use several nearby lakes within a valley for feeding. Aussprache von Population Übersetzungen von Population Synonyme, Population Antonyme. Definition of population: All elements, individuals, or units that meet the selection criteria for a group to be studied, and from which a representative sample is taken for detailed examination. There are now believed to be around 400,000 remaining African elephants. It is common for birds of different ages or sexes to migrate at different times or distances, so the population sizes depend on the group demography. the population of turtles in a pond; the elk population in their winter range. These Foreign Words And Phrases Are Now Used In English. A finite or infinite collection of items under consideration. Five species of frog living in a swamp. Because of this strong desire to ‘home’, salmon usually do not stray far away from their native spawning site, although the dispersal distance depends largely on the particular species.
The characteristics which are studied include the migratory patterns, the population density, the demographics (the birth and death rates, sex ratio and age distribution), the population genetics, the life history traits and the group dynamics (the interactions within and between populations). B. That part of the world used to be populated by wandering tribes. (2016, December 21). Conversely, when predation is strong, populations may become depleted. A. Population Definition A population is the number of organisms of the same species that live in a particular geographic area at the same time, with the capability of interbreeding. | Meaning, pronunciation, translations and examples When the birds return from their wintering grounds, they meet with other populations of the same species so that they can breed in larger numbers. < Population , Populationen > die Population SUBST biol. Because most spawning sites are separated by land or deep water, each group of salmon that are born in a certain spawning site makes up the local population within that site; although the conditions within the routes available for dispersal to other sites are not impossible for the salmon to withstand, they are rarely found to move between sites. Although the individuals who survived the bottleneck are adapted to the new conditions, there is not always a good rate of long-term success for the population. This means that the new population is highly vulnerable to further changes to the environment or availability of resources, as well as suffering the consequences of inbreeding such as disease and deformity in offspring.
von lateinisch: populus - Volk Englisch: population. However, any individual from each species could reproduce with another species member, so the full population of each African species includes all the individuals on the continent. D. Two populations merge together to form a new population. If an extreme event occurs, in which a large number of individuals within the population are unable to survive, the remaining individuals with the favored genes will reproduce, thereby increasing the frequency of these genes in the population by genetic drift. Population definition: The population of a country or area is all the people who live in it. It can also be used for subgroups of people or animals. Population ecology is the study of how these populations interact with the environment. For interbreeding to occur, individuals must be able to mate with any other member of a … Due to their life history cycle, salmon can be categorized within the metapopulation structure. Salmon tend to return to the same river that they were born in, in order to themselves spawn. B. If a bottleneck results in too few individuals (under the minimum viable population size(MVP), there is a considerable risk of extinction after a few generations. Elephant group structure is formed of family units of around 10 individuals, although when elephant families come into contact, they may bond to form larger groups – called ‘herds’ – of up to 100.
2. A community of animals, plants, or humans among whose members interbreeding occurs. This is called a population bottleneck. Although there are no barriers to mating between local populations of the same species, the tendency of salmon to return to their natal river greatly reduces gene flow between them. For example, when food resources are plentiful and environmental conditions are favorable, populations may grow. Bangladesh now has a population of about 100 million.
Which of the following scenarios best fits the definition of a population? The characteristics of the population can influence how it is affected by certain factors. Population means the number of people in a geographic area. Auch untersucht sie die Wechselwirkung einer Population mit ihrer Umwelt. Small populations are more vulnerable than large ones because: A. All the inhabitants of a particular place. Most populations are not stable, fluctuating in size over time (the letter ‘N’ often denotes the number of individuals in a population). Due to the genetic variation within populations, those that are larger are usually more resilient to stochastic changes in their environment or demography. B. https://www.thefreedictionary.com/population. In der Biologie ist eine Population die Gesamtheit aller Organismen einer … Are You Learning English? Within a habitat there can be many different populations; a small-scale example is a lake. Information über Population im frei zugänglichen Online Englisch-Wörterbuch und Enzyklopädie. D. The birds, bats and monkeys, which live in the rainforest of Ecuador. Retrieved from https://biologydictionary.net/population/. “Population.”, Biologydictionary.net Editors. Population. Migrating birds may visit the lake seasonally in order to winter; for part of the year, these birds form a local population. An event causes a significant loss of individuals in a population. Populations can occur on various different scales. A population bottleneck occurs when: A. C. Species migrate away from their native population. However, due to habitat fragmentation and poaching for their tusks, elephant numbers have suffered severe declines. Biologydictionary.net Editors. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. Definitionnoun, plural: (genetics, ecology) A group of organismsof one speciesthat interbreedand live in the same place at the same time (e.g. 1. , residents, people, citizens, citizenry, public, community, populace, society, natives, occupants, occupiers. was bedeutet Population. Biologydictionary.net Editors. Ugh. Dictionary, Encyclopedia and Thesaurus - The Free Dictionary, the webmaster's page for free fun content, Democratic and Popular Republic of Algeria, Popular Front for the Liberation of Palestine-General Command, Population & Community Development Association, Population Analysis and Duplicate Removal, Population and Community Development Association, Population and Environmental Psychology Bulletin, Population and Habitat Viability Assessment, Population and Health Materials Working Group, Population and Human Resources Development, Population and Natural Resources Programme, Population and Public Health Approaches to HIV/Aids, Population and Reproductive Health Integrated Project, Population and Social Integration Section. Die Populationsökologie (von lateinisch populus ‚Volk‘) ist ein Teilgebiet der Ökologie und damit der Biologie, das sich mit den Wechselwirkungen der Population einer Art mit anderen Populationen derselben oder einer anderen Art beschäftigt.
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