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9 Cards in this Set

  • Front
  • Back
the physical ability to reproduce
actual number of offspring produced through sexual reproduction;

usually described in terms of number of offspring of females
crude birth rate
the number of births in a year per thousand persons.

(this is crude because it is not adjusted for certain population characteristics
total fertility rate
number of children born to an average woman in a population during her entire reproductive life
zero population growth
occurs when births plus immigration in a population equal deaths plus emigration
crude death/mortality rates
the number of deaths per thousand persons in any given year
life span
the oldest age to which a species is known to survive
life expectancy
average age that a newborn infant can expect to attain in any given society
(i.e., the average age of death)
age structure diagram
involved grouping male and female individuals of a population into three age categories: pre-reproductive, reproductive, and post-reproductive;

age structure diagram indicates whether a population is increasing, decreasing, or remaining constant