Competitive Exclusion Principle. The competitive exclusion principle is an ecological principle stating that when two competing life forms attempt to occupy the same niche, only one outcome is possible: One life form will drive out the other.
According to the 2010 U.S. Census, the population of Nevada was 2,700,551. Within the state's most populous countyâClark Countyâthe state's most populous city âLas Vegasâhad 583,756 residents within the city limits. For the metropolitan statistical area that includes Las Vegas, the population was 1,951,269.
Clark County, Nevada. Clark County is a county in the U.S. state of Nevada. As of the 2010 census, the population was 1,951,269, with an estimated population of 2,114,801 in 2015. It is by far the most populous county in Nevada, accounting more than two-thirds of its residents.