Answer: the twelfth term is 89.Step-by-step explanation:Fibonacci sequence is a sequence in which each element is the sum of the two elements that precede it.1st → 02nd → 13rd → 1 (0+1)4th → 2 (1+1)5th → 3 (1+2)6th → 5 (2+3)7th → 8 (3+5)8th → 13 (5+8)9th → 21 (8+13)10th → 34 (13+21)11th → 55 (21+34)12th → 89 (34+55)