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23 questions
Which of the following characteristics is most closely associated with a country that demonstrates the age structure diagram show above?
There is a low infant mortality rate
A high percentage of the population has access to medical care
There is a low population growth
There is a high total fertility rate
What type of age structure diagram represents a population with negative growth rate?
Countries undergoing rapid populations growth include which of the following?
I only
II only
III only
II and III
I, II, and III
Represents the biotic potential of the species
A
B
C
D
E
Represents the maximum number of individuals that can be supported by a particular ecosystem on a long-term basis
A
B
C
D
E
Which of the following is a true statement about the total fertility of a society?
The total fertility of a society is the difference between the crude birth rate and the crude death rate.
The total fertility of a society is the number of children necessary for a couple to replace themselves in the next generation.
The total fertility of a society is positively correlated with the average education of women.
The total fertility of a society is negatively correlated with the number of women of child-bearing age.
The total fertility of a society decreases as the society progresses through the demographic transition.
Which of the following is most typically associated with the transition from a rural to an urbanized society?
Reduced birth rates
Reduced need for sewage-treatment facilities
Increased rates of population growth
Increased air quality in urban areas
Increased stabilization of microclimate in urban areas
The current global human population is about 6.1 billion and is growing at an annual rate of 1.35 percent. If world population were to grow at this rate for the next year, approximately how many people would be added?
8 × 105
8 × 106
8 × 107
8 × 108
8 × 109
If a country has a crude birth rate of 24 per 1,000 and a crude death rate of 8 per 1,000, the natural annual percent increase of its population is
0.6%
1.6%
3%
16%
32%
The total fertility rate in country A was 6.8 in 1980. Which of the following statements best supports the change in the total fertility rate in country A between 1980 and 2015?
The total fertility rate increased as a result of improved health care and better nutrition.
The total fertility rate remained constant even though there was improved access to clean water.
The total fertility rate decreased as a result of a delay in age of first marriage and increased contraceptive use.
The total fertility rate decreased as a result of increased infant mortality rate.
Members of an r-selected species characteristically
grow slowly
produce few offspring
reach sexual maturity quickly
have long life spans
are very protective of their offspring
Correct statements about the northern spotted owl include which of the following?
I. It is a pioneer species that is an opportunistic feeder.
II. It is dependent on mature, old-growth forest for its habitat.
III. It is a carnivore at or near the top of the food chain.
I only
II only
III only
I and II
II and III
Which of the following characteristics in the table best supports the claim that:
Country A is a more developed country and that Country
B is a less developed country?
population size
land area
infant mortality rate
net migration rate
The crude growth rate, r , of a population is calculated by
multiplying the existing population size by life expectancy
dividing the crude birth rate by 2
dividing the doubling time by 70
adding the crude birth rate to the crude death rate
subtracting the crude death rate from the crude birth rate
Cycads are gymnosperms that were diverse and abundant during the Mesozoic era. Extant species of cycads share many traits with those from the Mesozoic era. Cycads bear cones, are long-lived with slow growth rates, show late reproductive maturity, and have very few offspring. Based on this description, the cycads are
K-strategists with a Type I survivorship curve.
r-strategists with a Type III survivorship curve.
K-strategists with a Type III survivorship curve.
r-strategists with a Type II survivorship curve.
In a certain country, the birth rate is high, the death rate is high, and there are many children that are part of the workforce. The country is most likely in which of the following stages of the demographic transition?
Stage 1
Stage 2
Stage 3
Stage 4
During which stage of the demographic transition shown above does a population begin to experience an explosive increase in growth?
Stage 1
Stage 2
Stage 3
Stage 4
After Stage 4
In a human population undergoing the demographic transition, which of the following generally decreases first?
Birth rate
Death rate
Average family size
Life expectancy
Level of education
If the population of a country grows at a rate of approximately 5 percent per year, the number of years required for the population to double is closest to
5 years
10 years
15 years
25 years
35 years
Factors that affect the total fertility rate of a human population include which of the following?
I. Cultural traditions
II. Government policies and economic incentives
III. Education level and economic opportunities for females
I only
II only
I and II
II and III
I, II and III
What is a primary producer?
autotrophs (plants, algae, phytoplankton)
heterotrophs
carnivores
herbivores
What is an omnivore?
animals that eats plants
animal that eat meat
animal that eats both plants and meat
What is a generalist species?
Species with a broad range of tolerance
Species with a narrow range of tolerance
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