Answer to Question #261239 in Evolution for kkk

Question

which group of organisms would have the most recent common ancestor: the members of clade corresponding to genus or the members of a clade corresponding to an order?

Answer 1

In phylogenetic terminology, a crown group is a clade defined by extant species. It consists of the most recent shared common ancestor of all extant members of a clade, as well as all of the descendants of that common ancestor, whether they are still living or are extinct.