The Colombian Exchange, also known as the Columbian Interchange, refers to the widespread exchange of plants, animals, and disease between the Eastern and Western hemispheres following the arrival of Christopher Columbus in the Americas in 1492. Some examples of the Colombian Exchange include the introduction of maize, potatoes, and tomatoes to Europe and the spread of horses and cattle to the Americas.
An example that is not part of the Colombian Exchange would be the Silk Road, which was a series of trade routes connecting China and the Mediterranean region. While the Silk Road facilitated the exchange of goods and ideas between Asia and Europe, it predates the Columbian Exchange by several centuries and did not involve the exchange of plants and animals on the same scale.