Bjorklund was 8 of 8 from the field for the Bison (11-3, 2-0, Summit).
The Bison led 29-27 at halftime. At 4:56 in the second half, the Jackrabbits had a four-point lead (56-52). The Bison scored the next six points. Wolters gave the Jackrabbits a one point lead with 1:05 remaining, but Alexander made a layup, and the Bison hit two free throws.
The Bison shot 53.5 percent from the field for the game. The Jackrabbits shot 46 percent. The Jackrabbits had the rebounding edge 31-26.
Colorado State graduate transfer John Gillon has chosen Syracuse, giving the Orange a potential starter at point guard entering the 2016-17 season.
DeSean Murray, who averaged 20.2 points as a sophomore at Presbyterian, will transfer to Auburn to play for coach Bruce Pearl.
Former Kentucky guard Ed Davender, the only Wildcat with at least 1,500 points and 400 assists, has died. He was 49.