The mixing of plants , animals , and microorganisms that occured after europians arrived in the americans is known as?

 if this is your question The mixing of plants, animals, and microorganisms that occurred after Europeans arrived in the Americas is known as A. the Columbian Exchange. B. global interdependence. C. triangular trade. D. global mixing.The mixing of plants, animals, and microorganisms that occurred after Europeans arrived in the Americas is known as the Columbian Exchange.

Ok what subject does the question need tone in? thanx