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Population growth: Quiz

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Question 1: Spikes in human population can cause problems such as ________ and traffic congestion, these might be resolved or worsened by technological and economic changes.
Water pollutionAir pollutionMarine pollutionPollution

Question 2: The above formula can be expanded to: growth rate = crude birth rate - crude death rate + net immigration rate, or ∆P/P = (B/P) - (D/P) + (I/P) - (E/P), where P is the total population, B is the number of births, D is the number of deaths, I is the number of immigrants, and E is the number of ________.
EmigrationSoviet UnionRefugeeCuba

Question 3: The most common way to express population growth is as a ________, not as a rate.
ReasonDivisorPercentageRatio

Question 4: Specifically, PGR ordinarily refers to the change in population over a unit time period, often expressed as a ________ of the number of individuals in the population at the beginning of that period.
Per milParts-per notationPercent signPercentage

Question 5: Some countries experience negative population growth, especially in ________ (mainly due to low fertility rates and emigration).
Western EuropeEastern EuropeCentral EuropeBalkans

Question 6: Main articles: ________ and population decline
World populationFamineFood securityOverpopulation

Question 7: In the absence of migration, a net reproduction rate of more than one indicates that the population of women is increasing, while a net reproduction rate less than one (________) indicates that the population of women is decreasing.
OverpopulationRussiaUnited StatesSub-replacement fertility

Question 8: ________
List of countries by life expectancyList of countries and territories by fertility rateList of countries and dependencies by population densityList of countries by population growth rate

Question 9: In demographics and ________, Population growth rate (PGR) is the fractional rate at which the number of individuals in a population increases.
BiologyEcologyBotanyEcosystem

Question 10: In ________, the term population growth is likely to refer to any known organism, but this article deals mostly with the application of the term to human populations in demography.
EcologyLifeBiologyBotany







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