1.Biology. A measure of the number of offspring produced by an individual organism over a given time. 2. Demography. The general capacity of a human population to have offspring. A below-average capacity is termed subfecundity. Compare birth rate.
1.Biology. A measure of the number of offspring produced by an individual organism over a given time. 2. Demography. The general capacity of a human population to have offspring. A below-average capacity is termed subfecundity. Compare birth rate.