Initially the City shall have a Law Department, a Finance Department, a Service Department, and a Safety Department; and the Council shall provide by ordinance for the organization and duties thereof. The City shall also have a City Planning Commission and a Board of Appeals. The Council may by ordinance establish additional departments and commissions, or divisions thereof, and provide for such boards, officers and employees as it may deem necessary. With the exception of those herein set forth, the Council may combine or abolish any department, division, board, commission, nonelective office, or job classification; and may authorize one person to serve in any capacity in two or more departments, divisions, boards or commissions. With the exception of the head of the Finance Department the heads of all departments shall be appointed by the Mayor, subject to confirmation of Council.