1 Microorganisms are divided into seven types: bacteria, archaea, protozoa, algae, fungi, viruses, and multicellular animal parasites (helminths).  Each type has a characteristic cellular composition, morphology, mean of locomotion, and reproduction.
As of 2014, 38,761 people live in Cooke County. The population of the county was 77.2 percent Anglo, 16.7 percent Hispanic, and 3.2 percent African American. The largest town in the county is Gainesville, with a 2014 population of 16,502.
Compared to the rest of the country, Williamson County's cost of living is 31.70% Higher than the U.S. average. As of 2014, Williamson County's population is 211,672 people. Since 2000, it has had a population growth of 161.26 percent.