There is hereby created a Planning and Zoning Commission for the City of Grain Valley, Missouri. The Planning and Zoning Commission shall consist of seven (7) voting members. In addition, a member of the Board of Aldermen shall serve as a non-voting liaison. All members of the Planning and Zoning Commission shall be citizens of the City. Members shall be appointed by the Mayor and approved by the Board of Aldermen. The term of each citizen member shall be for four (4) years, except that the terms of the citizen members first appointed shall be for varying periods so that succeeding terms shall be staggered. All members shall be removable for cause by the Board of Aldermen upon written cause and after a public hearing. The Commission may adopt its own rules of procedure not inconsistent with this Chapter.