This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
PhylogeneticGroups.svg monophyletic taxon contains common ancestor and all of its descendants Diagram in yellow the group of reptiles and birds the reptilesthe group of all warmblooded animals Diagram in yellow the group of reptiles and birds paraphyletic taxon contains its most recent common ancestor but Cladograms