Factors Affecting Human Population Size Flashcards

Factors Affecting Human Population Size Flashcards
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Mortality
The number of individuals within a population who die within a specific time period.
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Immigration
The action of moving to a new place. This results in an increase in population in the local area.
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Birth rate
The number of live births per 1,000 individuals in the period of a year. It is commonly expressed as a percentage of the population.
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Natality
Fertility rate; additions to the population due to reproduction.
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Advancements in _____ and medicine allowed the human population to reach three billion in the 1960s.
Technology
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Following the invention of agriculture, the human population grew slowly until the early _____. At this time the population started growing more quickly.
1900s
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Estimates of the worldwide human population for around 10,000 years ago put it at only a few _____ people.
Million
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The human population surpassed _____ billion people in 2011.
Seven
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Population
The inhabitants of a given location.
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19 cards in set

Flashcard Content Overview

Human population size is always changing. In a given area, population can be influenced by a number of factors, including immigration, emigration, birth, and death. These flashcards will help you better understand population growth and the factors that affect it.

Front
Back
Population
The inhabitants of a given location.
The human population surpassed _____ billion people in 2011.
Seven
Estimates of the worldwide human population for around 10,000 years ago put it at only a few _____ people.
Million
Following the invention of agriculture, the human population grew slowly until the early _____. At this time the population started growing more quickly.
1900s
Advancements in _____ and medicine allowed the human population to reach three billion in the 1960s.
Technology
Natality
Fertility rate; additions to the population due to reproduction.
Birth rate
The number of live births per 1,000 individuals in the period of a year. It is commonly expressed as a percentage of the population.
Immigration
The action of moving to a new place. This results in an increase in population in the local area.
Mortality
The number of individuals within a population who die within a specific time period.
Death rate
The total sum of people per 1,000 individuals who die in a year. Like birth rates, this number is also often described as a percentage of the population.
Death rates can be used to describe the number of individuals who die in specific _____ groups.
Age
Emigration
Movement (migration) from one location to a different location. Example: A person moving from Tokyo to San Francisco is emigrating from Japan and immigrating to the U.S.
People moving between places through immigration and _____ does not have any impact on the overall human population because the people remain on planet Earth.
Emigration
Population growth rate
The rate at which the number of individuals in a population increases or decreases in a period of time.
Rate of change
The number derived from taking the number of people who enter a population and subtracting the number of individuals who leave a population.
The two factors which increase the size of a population:
Natality and immigration
The two factors which decrease the size of a population:
Mortality and emigration
Demography
An area of study which focuses on human population, factors that influence it, and how it changes. Size, composition, and distribution of population are all relevant to this field.
Carrying capacity
The maximum number of a given species which a region can support.

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