Within five days after the commencement of their term, at the call of the Mayor, members of the Council shall meet in the Council Chamber and organize. The President of Council, in addition to his obligations, rights, and duties as a Councilman elected at large, shall preside at all of its meetings and shall perform such other duties as may be imposed upon him by the Council. In the absence of the President, the Council shall elect a President pro tem. The Council shall also elect a Clerk and such other officers and employees of Council as it may deem necessary, to serve at the pleasure of the Council. The Clerk shall keep the records of the Council and perform such other duties as may be required by this Charter or the Council.