In the United States, there are over 230 amphibians, over 280 reptiles and approximately 800 species of fish. Each of these categories has species represented on the US Endangered Species List.
Employees in the civil services work under one of the independent agencies or one of the 15 executive departments. In addition to departments, there are a number of staff organizations grouped into the Executive Office of the President.
Federal Pay. The General Schedules (GS) is the Federal governmentâs main pay system and is composed of 15 grades (GS1 to GS15), or salary levels. Each grade includes ten steps through which employees advance based on satisfactory job performance and length of service. Locality pay is based on surveys done by the Bureau of Labor Statistics.