Resource from east to west from west to east animals • horses • cattle • pigs • sheep • goats • chickens • turkeys • llamas • guinea pigs • alpacas plants • rice • wheat • barley • oats • coffee • sugarcane • bananas • melons • olives • dandelions • daisies • clover • ragweed • kentucky bluegrass • corn • potatoes • sweet potatoes • beans • tobacco • peanuts • squash • chili peppers • tomatoes • pumpkins • pineapples • cacao • papayas • guavas • avocados according to the data in this chart, which two food plants were introduced to the americas as part of the columbian exchange? oats and wheat tobacco and coffee horses and rice corn and squash