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5 Written Questions

5 Matching Questions

  1. logistic growth curve
  2. growth rate
  3. population dynamics
  4. chronic
  5. age dependency ratio
  1. a a disease that is usually present in a population, typically occurring in a relatively small but constant percentage of the population
  2. b The general study of population changes
  3. c The net increase of some factor per unit time. In ecology, the growth rate of a population is sometimes measured as the increase in numbers of individuals or biomass per unit time and sometimes as a percentage increase in numbers or biomass per unit time
  4. d the 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
  5. e 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

5 Multiple Choice Questions

  1. the number of individuals or proportion of the population in each age clas
  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 maximum number of human beings which can live on Earth at the same time; is dependent on the quality of life people desire and are willing to accept
  4. average number of children expected to be born to a woman during her lifetime
  5. genetically determined maximum possible age to which an individual of a species can live

5 True/False Questions

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


  2. abortion ratethe estimated number of abortions per 1000 women aged 15 to 44 in a given year


  3. zero population growtha 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


  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. epidemic diseasea 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


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