While there are many varieties of banana, only the Cavendish variety is suitable for mass production and worldwide trade. It is currently being decimated by a soil fungus in Asia. If the banana fungus should reach the Americas (including Hawai'i) before a treatment is discovered, it could spell the end of bananas in North American supermarkets. If that were to happen, how would the extinction of the Cavendish banana be categorized? A. Brought on by pollution B. Brought on by an invasive species C. Brought on by overharvesting D. Brought on by habitat destruction