Legislature: sessions; unicameral nonpartisan legislature; provide for. Amends sec. 9, art. II, sec. 8, art. III, secs. 1, 6, 7, 8, 11, 12, 14, 16, 17, 18, 19, 20, 22, 24, 26, 27, 29, 30, 31, 33, 37, 43, 53 & 54, art. IV, secs, 2, 3, 6, 7, 13, 18, 20, 25, 26, 28 & 29, art. V, secs. 1 & 25, art. VI, sec. 6, art VIII, secs. 3, 15 & 27, art. IX, sec. 5, art. X, secs. 5 & 7, art. XI, secs. 1 & 3, art. XII; adds sec. 1a, to art. IV & repeals secs. 2, 3 & 21, art. IV of the state constitution.