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.
AMADOR. Created 1854. The county is named for Jose Maria Amador, soldier, rancher and miner, who was born in San Francisco in 1794, the son of Sergeant Pedro Amador, a Spanish soldier who settled in California in 1771. In 1848, Jose Maria Amador, with several Indians, established a successful gold mining camp near the present town of Amador. In Spanish, the word amador means âlover of inanimate objects.â *BUTTE. Created 1850. Its name is derived from the Marysville or Sutter Buttes, which lay within the boundaries when it was created.