TED-Ed<iframe width="480" height="270" src="https://www.youtube.com/embed/mQePz62zkqA?feature=oembed" frameborder="0" allowfullscreen></iframe>1.0480https://www.youtube.com/user/TEDEducationvideohttps://www.youtube.com/360Why are there so many types of apples? - Theresa Doudhttps://i.ytimg.com/vi/mQePz62zkqA/hqdefault.jpg270YouTube480