“哥伦布大交换” ●哥伦布发现新大陆,开启了新旧大陆植物、动物的大交换,众 多传染病也随之“交换”。天花等杀死了90%以上的美洲土著 The Columbian Exchange Co NORTH Cassava EUROPE AMERICA AMERICAS TO EUROPE, AFRICA, AND ASIA vanila Sweet potato Beans Disease Cacao Bean Smallpox Typhus Lives Turkey ATLANTIC OCEAN Cattle Grair Wheat Pumpkin Sugar Cane Tobacco A EUROPE, AFRICA, AND ASIA TOAMERICAS Citrus fruits pe Banana AFRICA Peach, Pear Connect to Today 檄生物与人类健康2018/钟江 11结语11结语‹#› “哥伦布大交换”  哥伦布发现新大陆，开启了新旧大陆植物、动物的大交换，众 多传染病也随之“交换”。天花等杀死了90%以上的美洲土著