Each member of the Board of Zoning Appeals and the Planning Commission shall serve until his or her successor is appointed and qualified. Members shall be removed for non-performance of duty, misconduct in office, or other reasonable cause deemed by the Mayor or Council and shall be notified by written charges. A public hearing will be held and a copy of the written charges must be served upon the member so charged at least ten (10) days prior to the hearing either personally by registered mail or at his or her place of residence. At the public hearing, the member shall be given an opportunity to be heard and answer such charges. Any and all vacancies shall be filled by appointment by the Mayor and/or City Council and shall be for the unexpired term.