Established; Membership; And Terms. A Board of Adjustment is hereby established in accordance with the provisions of the Statutes of Missouri regarding the zoning of cities. The word "Board," when used in this Chapter, shall be construed to mean the Board of Adjustment. The Board of Adjustment shall consist of five (5) members who shall be freeholders. The membership of the first Board appointed shall serve respectively one (1) for one (1) year, one (1) for two (2) years, one (1) for three (3) years, one (1) for four (4) years, and one (1) for five (5) years. Thereafter, members shall be appointed for terms of five (5) years each. All members shall be removable for cause by the appointing authority upon written charges and after public hearings. Vacancies shall be filled for the unexpired term of any member whose term becomes vacant. The Board shall elect its own Chairman who shall serve for one (1) year. Meetings of the Board shall be held at the call of the Chairman and at such other times as the Board may determine.