population definition

Retrieved from https://biologydictionary.net/population/.

These Foreign Words And Phrases Are Now Used In English. C. They cannot keep each other warm. Without any way of leaving, an entire population of trout may exist solely within the lake and nowhere else.

Population definition: The population of a country or area is all the people who live in it. A lake may provide a habitat for birds, fish, insects, amphibians and mammals such as otters or rats. Population - definition Population übersetzung Population Wörterbuch. Which of the following scenarios best fits the definition of a population? 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. The fluctuations are usually in response to changes in the abiotic and biotic factors, which act as limiting factors against indefinite exponential growth of populations. Are You Learning English?

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. 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. Auch untersucht sie die Wechselwirkung einer Population mit ihrer Umwelt. They are vulnerable to change because they have a smaller gene pool. 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. 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. Dictionary Term of the Day Articles Subjects BusinessDictionary Business Dictionary Dictionary Toggle navigation. 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. However, because they cannot get across mountains, their local population is restricted to the inside of the valley. “Population.”, Biologydictionary.net Editors. They are more likely to be predated on. Population.

However, populations contain genetic variation within themselves, and not all individuals are equally able to survive and reproduce. Als Population bezeichnet man in der Statistik eine willkürlich definierbare Gruppe von Individuen, die der statistischen Erhebung von Daten dient.. The city's population has passed 8 million––who knows what that means for the rat population living off their garbage? A population bottleneck occurs when: A. Due to their life history cycle, salmon can be categorized within the metapopulation structure. | Meaning, pronunciation, translations and examples 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. , residents, people, citizens, citizenry, public, community, populace, society, natives, occupants, occupiers. Bangladesh now has a population of about 100 million. Each of these herds forms a local population.

2. C. Species migrate away from their native population. 1All the inhabitants of a particular place. “Population.” Biology Dictionary.

You're not signed up. In der Biologie ist eine Population die Gesamtheit aller Organismen einer … Uh oh! For example, when food resources are plentiful and environmental conditions are favorable, populations may grow. Migrating birds may visit the lake seasonally in order to winter; for part of the year, these birds form a local population. Most populations are not stable, fluctuating in size over time (the letter ‘N’ often denotes the number of individuals in a population). 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. Within a habitat there can be many different populations; a small-scale example is a lake.

(2016, December 21). Genetic diversity within the new population is low, and only increases very slowly as mutations occur in each successive generation. If individuals of local populations are able to disperse between other local populations, this is called a metapopulation. deer population)(taxonomy) A low-level taxonomic rank(statistics) A set of data from where a statistical samplecan be drawn(general) People inhabiting a territory, as in American populationSupplementA population refers to a group of organismsof a speciesthat … Information über Population im frei zugänglichen Online Englisch-Wörterbuch und Enzyklopädie. https://www.thefreedictionary.com/population. However, due to habitat fragmentation and poaching for their tusks, elephant numbers have suffered severe declines. A. An event causes a significant loss of individuals in a population. 2Biology A community of animals, plants, or humans among whose members interbreeding occurs. D. Two populations merge together to form a new population. All the inhabitants of a particular place. The extent to which an area is or has been populated. Small populations are more vulnerable than large ones because: A.

There are now believed to be around 400,000 remaining African elephants. 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. Here Are Our Top English Tips, The Best Articles To Improve Your English Language Usage, The Most Common English Language Questions. Definitionnoun, plural: (genetics, ecology) A group of organismsof one speciesthat interbreedand live in the same place at the same time (e.g. The characteristics of the population can influence how it is affected by certain factors. noun inhabitants, people, community, society, residents, natives, folk, occupants, populace, denizens, citizenry Bangladesh now has a population of about 100 million. For interbreeding to occur, individuals must be able to mate with any other member of a … 3. It can also be used for subgroups of people or animals. 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. Late 16th century (denoting an inhabited place): from late Latin populatio(n-), from the verb populare, from populus ‘people’.

Life history traits, such as the maturation rate and life span, can affect the rate of growth of a population; if individuals mature later, the population will grow more slowly than if they mature relatively young. Aussprache von Population Übersetzungen von Population Synonyme, Population Antonyme. 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. D. The birds, bats and monkeys, which live in the rainforest of Ecuador. Salmon tend to return to the same river that they were born in, in order to themselves spawn. However, this locality can operate on a regional, countrywide, island or continental scale; it may even make up the entire species. 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).

A local population can be confined to a spatially small area, i.e., the fish in one pond. Biologydictionary.net Editors.

The numbers of individuals in a group becomes too high.

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. the population of turtles in a pond; the elk population in their winter range. C. All the individual mountain gorillas living in the dense forest of four national parks in Africa. This is called a population bottleneck.

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