A. There were fewer animals capable of being domesticated in the Americas than in Europe, Asia, and Africa.
Explanation:
This is the statement that best describes how animals were transferred in the Columbian Exchange. Europe, Asia and Africa had a lot more animals that could be domesticated when compared to the Americas. Therefore, most of this animals were transferred in this way. Some of the animals that were exported to America were pigs, horses, sheep, cows and donkeys.