If a clade has a known common ancestor and displays all of its descendants, it is called 00:53 Organism Classification and Phylogenesis If a clade has a known common ancestor and displays all of its descendants, it is calledA - DiphyleticB - TriphyleticC - ParaphyleticD - PolyphyleticE - MonophyleticAnswer: E - Monophyletic Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+