Population Growth. The butterfly is an example of a species where we would use the age-specific life table. A population is defined as a group of interbreeding organisms inhabiting the same region at the same time . In studying populations, demography, the study of the age structure of a population, is often considered.
Amador County is located in the Sierra Nevada Mountains of California. As of 2010, the population was 38,091. The county seat is Jackson. Amador County bills itself as The Heart of the Mother Lode and lies within the Gold Country.
Gold Country Inn and Cabins. Only about a two-hour drive from San Francisco, and an hour from Sacramento, the Jackson hotel in Amador County California and the historic Gold Country welcome you to all the wonders of the Mother Lode and Sierra Nevada foothills.