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9 Cards in this Set
- Front
- Back
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fecundity
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the physical ability to reproduce
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fertility
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actual number of offspring produced through sexual reproduction;
usually described in terms of number of offspring of females |
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crude birth rate
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the number of births in a year per thousand persons.
(this is crude because it is not adjusted for certain population characteristics |
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total fertility rate
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number of children born to an average woman in a population during her entire reproductive life
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zero population growth
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occurs when births plus immigration in a population equal deaths plus emigration
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crude death/mortality rates
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the number of deaths per thousand persons in any given year
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life span
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the oldest age to which a species is known to survive
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life expectancy
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average age that a newborn infant can expect to attain in any given society
(i.e., the average age of death) |
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age structure diagram
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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 |
