What do the xiongnu the uighurs the khitan and the jurchen have in common?

Compare asexual reproduction to sexual reproduction

Ryan rears sheep for their wool. recently the quantity of wool that ryan gets has diminished. this is because the new sheep are not that wooly. ryan should add which nutrient to their feed so that the sheep becomes more wooly? a.cornb.ironc.cottonseedd. vitamin a

Ais a group of individuals of the same that exist together in the same place at the same time