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26 Cards in this Set
- Front
- Back
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Which of the following best describes the human population from early times to the present?
A) slow, steady growth throughout the period. B) rapid, explosive growth throughout the period C) slow, uneven growth until the 1800s, then increasingly rapid growth D) wide fluctuations both up and down throughout the period E) early rapid growth which has leveled off to a nearly constant rate in teh last 20 years |
C) slow, uneven growth until the 1800s, then increasingly rapid growth
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Total Fertility refers to
A) the number of children born in a country during a given year B) the average age at which women in a country become sexually active C) the average total number of children being born per woman D) the number of children who survive to become reproductive adults E) none of the above |
C) the average total number of children being born per woman
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A population which is growing at a rate of 4.5% will double in about
A) 15 years B) 25 years C) 35 years D) 45 years E) 55 years |
A) 15 years
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Suppose that a population has been stable for a long period of time suddenly begins to increase. The increase may be due to
A) a decrease in death rate, birth rate remaining the same B) an increase in birth rate, death rate remaining constant C) a decrease in death rate AND an increase in birth rate D) immigration E) all of the above |
E) all of the above
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In 1995, the population of a small island in Malaysia was 40,000. Thie birht rate was measured at 35 per 1000 per year; the death rate was measured at 10 per 1000 population per year. Immigration was measured at 100 per year while emigration was measured at 50 per year. How many people would be on the islands after one year?
A) 39,100 B) 40,000 C) 41,050 D) 42, 150 E) 44,500 |
C) 41,050
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Crude birth rate refers to
A) deliveries by natureal childbirth methods B) average number of births per woman over her lifetime C) number of birhts per 1000 women over her lifetime D) number of births per 1000 people per year E) number of birhtsm inus number of deaths per year |
D) number of births per 1000 people per year
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The world's population in 2000 was aproximately 6 billion. If the growth rate were 2%, in what year would the world's population be 12 billion?
A) 2035 B) 2050 C) 2010 D) 2100 E) 4000 |
A) 2035
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The most successful method of controlling a country's population has been
A) required sterilization B) government quotas on children produced C) birth control D) financial incenties E) all of the above |
E) all of the above
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The increase in the size of the Earth's human population in the last century has been dramatic. Which of the following identifies two major contributors to this increase?
A) New methods of agriculture and the idntifaction of new food crops B) The industrial Revolution and modern medicine C) Increased emigration/immigration and decreased warfare D) New methods of birth control and decreased warfare E) Increased education for woman and the development of new pesticides |
B) The industrial Revolution and modern medicine
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The current global human population is about 6.1 billion and is growing at an annual rate of 1.35 percent. If the world population were to grow at this rate for the next year, aproximately how many peopl would be added?
A) 8x10^5 B) 8x10^6 C) 8x10^7 D) 8x10^8 E) 8x10^9 |
C) 8x10^7
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Which of the following is a true statement about replacement level fertility?A) It equals the average number of childrn a woman will give birth to during her child-baring years.
B) It equals the annual number of live birhts per 1,000 people in a population C) It equals the natural increase of a population in one year D) It is found by subtracting the number of emigrants form the number of immigrants in one year E) It is greater in countries with higher infant-mortality rates than in countries with low infant-mortaliy rates |
E) It is greater in countries with higher infant-mortality rates than in countries with low infant-mortaliy rates
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fertility
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measure of the actual number of offspring produced
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cure birth rate
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number of individuals to be born per thousand people pey ear
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morbidity
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level of illness in a population
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mortality
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measure of actual numbers of individuals who die in a population
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crude death rate
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number of individuals who die per thousand per year
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surivorship
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number of people in a given age bracket who continue to remain alive each year
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Total Growth Rate
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sum of the increases to the population minus those who have died or emigrated away
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Natural Growth rate
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population g rowth due ontly to births and deaths (crude birth rate minus crude death rate)
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Arithmetic growth
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population growth that increass at a constant amount overtime
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Reasons for Arithmetic growth
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*usually uncommon
unless - birth/ death rates are in balance, or there is some limitation of resources |
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Exponentil growth/ Logarithmic growth
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because each new generation of individuals produces more potentil produces than the previous generation
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Calculating Growth Rate
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n=b-d+i-e
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biotic potential
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maximum rate of growth that a population can experience without any enironmental resistance.
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What type of curve is assosciated with biotic potential?
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J curve
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Carrying capacity
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size of population that can be supported with existing resources.
(hypothetical limit to population size) |
