tv/ movies: Director Barry Levinson gave the Fine Young Cannibals a cameo in which movie?

Questions

Jackals have one more pair of chromosomes than ---------- or wolves.?

Jackals have one more pair of chromosomes than dogs or---------- .?

Male ---------- will try to attract sex partners with orchid fragrance.?

Male bees will try to attract sex partners with ---------- fragrance.?

---------- , whales, elephants, giraffes and man all have seven neck vertebra.?