In 1950, the term "population explosion" was unheard of, yet the demographic forces that would trigger runaway population growth were settling into place. Death rates in the developed world had ...

Populations grow at geometric or exponential rates in the presence of unlimited resources. Geometric populations grow through pulsed reproduction (e.g., the annual reproduction of deer, which have ...

Demographic analysis is the study of a population based on factors such as age, race, and sex. Demographic data refers to socioeconomic information that's expressed statistically including ...

Random forces lead to genetic drift Sometimes, there can be random fluctuations in the numbers of alleles in a population. These changes in relative allele frequency, called genetic drift ...