The Council shall select biennially from among its own members one to serve as Mayor and one as Vice-Mayor for a term of two years and until their successors are chosen and qualified. The Mayor shall preside at Council meetings, when present, and shall have a vote on all matters which come before Council, but shall exercise no administrative authority. The Mayor shall be the ceremonial head of the municipality, but shall exercise no administrative authority. The Vice-Mayor shall preside over the meetings of the Council when the Mayor is absent and shall perform such other duties as may be assigned by Ordinance.