Species and populations are probably the two most commonly used ecology terms, but they are often difficult concepts to grasp. Throughout this chapter, they will be discussed in detail, expanding on the definitions from previous chapters and explaining why there are no universally acceptable definitions.
Jefferson County, Arkansas is a county located in the U.S. state of Arkansas in the area known as the Arkansas Delta, that extends west of the Mississippi River. As of the 2010 census, the population was 77,435. Its county seat and largest city is Pine Bluff. Jefferson County is Arkansas's 21st county, formed on November 2, 1829, from portions of Arkansas and Pulaski counties, and named for Thomas Jefferson, third President of the United States.
Dr. Crawford W. Long performed the first surgery using ether as an anesthetic in Jefferson on March 30, 1842. One of Atlantaâs major hospitals is named after him. Jefferson, a 207 year old community, is located in Northeast Georgia about an hour north of Atlanta along Interstate 85.Jefferson has a population of 9,554 and is the county seat of Jackson County with a population of 61,257 (2011 U. S. Census Bureau Estimates).ost people move to Jefferson for economic opportunity, its small town atmosphere, acceptance of newcomers and wholesome environment for raising a family. The Jefferson City School System is highly ranked, year after year, in terms of student achievement and SAT scores.