Immigration
Emigration
immigrant
emmigration
It is called dispersal.
Population is a group of organisms of the same species actively reproducing with one another. Physical barriers and distance are typical causes of different populations. An individual may move from one population to another.
the movement of organisms from one location to another without returning
Moving out of a population is called emigration. (Moving into a population is called immigration.)
Immigration. This is moving from one population to another.
Energy transfers from one organism to another by organisms eating other organisms in a food chain or web.
The movement of organisms into a given area from another area is called emigration. Emigration is defined as to leave on country or region to settle in another.
migrate!
A population is a group of organisms and an organism is but one.
Genetic drift in small population results in fixation of a gene or loss of gene affecting only that particular population . It has no direct effect on diversity of organisms .
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Population