9 Flashcards

1
Q

demography

A

study of the characteristics of populations, especially human populations ; Demographers study the historical size and makeup.

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2
Q

age structure

A

The composition of a population in terms of the proportions of individuals of different ages.

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3
Q

survivorship

A

A survivorship curve is the graphic representation of the number of individuals in a population that can be expected to survive to any specific age

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4
Q

fertility rate

A

The fertility rate at a given age is the number of children born alive to women of that age during the year as a proportion of the average annual population of women of the same age.

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5
Q

migration

A

When a animal moves to another region usually for food and better seasons.

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6
Q

life expectancy

A

how long a animal is projected to live depending on their circumstance.

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7
Q

demographic transition

A

Demographic transition is a long-term trend of declining birth and death rates, resulting in substantive change in the age distribution of a population.

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8
Q

infrastructure

A

The term infrastructure refers to the basic physical systems of a business, region, or nation.

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9
Q

arable land

A

land fit or used for the growing of crops also : a plot of such land the village arable of Anglo-Saxon times.

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10
Q

urbanization

A

Urbanization is the process through which cities grow, and higher and higher percentages of the population comes to live in the city.

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11
Q

least developed countries

A

countries that are the least developed economically and technologically.

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