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Migration

can be the na...

Question

___ can be the name for people moving out of a population.

A

immigration

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B

emigration

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C

evolution

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D

invention

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Solution

The correct option is B
emigration

People moving out of a population can be named as emigration. Its one of the factors that affect the population density.

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Similar questions

Q. A country's birth rate is the number of births per year per

1000

people in the country, and a country's death rate is the number of deaths per year per

1000

people. Immigration refers to the number of people who move into a country each year, and emigration refers to the number of people who move out of the country each year. A country's population growth is determined by these four variables. Table

1

gives birth, death, immigration and emigration rates in four countries and lines

1 - 4

1

model in the population for the four countries shown over time.

	Birth	Death	Immigration	Emigration
East Zealand	$20$	$x$	$1000$	$1000$
West Zealand	$21$	$21$	$12100$	$y$
South Zealand	$36$	$24$	$z$	$500$
North Zealand	$13$	$13$	$82000$	$9600$

Name the country whose population is represented by line

1

.

Q. Fill in the blanks
1. ___(i) ___ is the rate at which new individuals are added to a population by reproduction.
2. ___ (ii) ___ is the rate at which individuals are lost by death.
3. ___ (iii)

refers to individuals moving away from each other.
4. ___ (iv)

refers to individuals moving out of a population.
5.

refers to individuals moving into a population.

Q. The population of a town is

50, 000

. If the annual emigration rate is

6 %

and the annual immigration rate is

4 %

, calculate the population after two years.

People moving into a population can be named as

Q. A biologist studied the population of rats in a barn, He found that the average natality was 250, average mortality 240, immigration 20 and emigration 30. The net increase in population is :

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