https://www.facebook.com/ktkbullieselite/videos/988153363452742?????????????? —— ?????????????????Lancelets are harvested for food in certain Asian nations. They are also examined by researchers for clues as to how vertebrates (animals with backbones) evolved.Filter By Initial Letter A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Apparent