Ecology Ch 6: Question Preview (ID: 7519)

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If the human population levels off during the 21st century, it will move from a “J-shaped” curve to what curve shape?
a) s b) m c) l d) j
Population change is calculated using which of the following formulas?
a) (births + immigration) – (deaths + emigration) b) (births + deaths) – (immigration + emigration) c) (deaths + emigration) – (births + immigration) d) (births + emigration) – (deaths + immigration)
The total fertility rate is
a) the average number of children born to women in their reproductive years b) the number of children a couple must have to replace themselves c) the number of live births per 1000 people d) the births and immigrations into a population
12. Which of the following is not one of the factors currently affecting birth and fertility rates?
a) educating women b) number of people 60 and older c) urbanization d) cost of educating and raising a child
All of the following reasons help explain why the United States has one of the highest infant mortality rates of developed countries, except
a) women delaying getting pregnant until later in life b) Poor having little access to health care c) teenage pregnacy d) drug addition among pregnant women
Women tend to have fewer and healthier children for all the following reasons, except
a) acess to the internet b) access to employment outside the home c) access to family planning d) access to education
Rapidly growing countries have an age structure diagram that
a) broad based pyramid b) small prereproductive population c) shows little variation in population by age d) inverted pyramid
Which of the following is true of demographic transition as countries become industrialized?
a) Death rates drop, followed by birth rates. b) birth rates fall, followed by death rates c) Birth rates and deathrates fall at the same time d) Neither birth nor death rates fall.
China’s population policy has included all of the following except
a) health, pension, and employment benefits for one-child families b) providing free access to birth control c) encouraging contraception but discouraging abortions d) urging families to have no more then one child
Because there are fewer children per couple being born in China, the population overall is rapidly aging.
a) True b) c) d) False
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