Answer :

Historian Alfred Crosby called the "Columbian Exchange" in the 1970s to describe the massive exchange of people, animals, plants, and diseases between the eastern and western hemispheres after Columbus' arrival in America. I used the term for the first time.

When Europeans crossed the Atlantic, they brought with them plants, animals, and diseases that changed life and landscapes on both sides of the ocean. This two-way exchange between America and Europe/Africa is collectively called the Columbia Exchange.

When Christopher Columbus and his crew arrived in the New World, his two biologically different worlds came into contact. The animal, plant, and bacterial life of these two worlds began to mix in a process called the Columbian Exchange.

Learn more about Columbian Exchange here: https://brainly.com/question/14088518

#SPJ9