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5 Written Questions

5 Matching Questions

  1. population momentum or lag effect
  2. age structure
  3. epidemic disease
  4. optimal carrying capacity
  5. logistic growth curve
  1. a the continued growth of a population that occurrs after achievement of replacement level fertility is reached
  2. b structure of a population divided into groups by age. Sometimes the groups represent the actual number of each age in the population; sometimes the group represents the percentage or proportion of the population of each age
  3. c The S-shaped growth curve that is generated by the logistic growth equation. In the logistic, a small population grows rapidly, but the growth rate slows down, and the population eventually reaches a constant size
  4. d a disease that appears occasionally in the population, affects a large percentage of it, and declines or almost disappears for a while only to reappear later
  5. e the maximum abundance of a population or species that can exist in an ecosystem without degrading the ability of the ecosystem to maintain: (1) that population of species; (2) all necesary ecosystem processes; (3) the other species found in that ecosystem

5 Multiple Choice Questions

  1. the estimated number of abortions per 1000 women aged 15 to 44 in a given year
  2. The pattern of change in birth and death rates as a country is transformed from undeveloped to developed. THere are three stages: (1) in an undeveloped country, birth and death rates are high and the growth rate is low; (2) the death rate decreases, but the birth rate remains high and the growth rate is high; (3) the birth rate drops toward the death rate and the growth and the growth rate therefore also decreases
  3. the study of populations, especially their patterns in space and time
  4. The general study of population changes
  5. a population in which the number of births equals the number of deaths so that there is no net change in the size of the population

5 True/False Questions

  1. age dependency ratiothe ratio of dependent-age people (those unable to work) to working-age people; it is customary to define workin-age people as those aged 15-65


  2. population age structurethe number of individuals or proportion of the population in each age clas


  3. per-capita availabilityaverage number of children expected to be born to a woman during her lifetime


  4. life expectancyThe estimated average number of years (or other time period used as a measure) that an individual of a specific age can expect to live


  5. growth rateThe rate at which deaths occur in a population, measured either as the number of individuals dying per unit time or as the percentage of a population dying per unit time


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