There is little question that Chordata is a monophyletic group.There are some unresolved questions regarding whether the Craniata is more closely related to the Cephalochordata or to the Urochordata.Assume that the following new discoveries were made.Which might sway expert opinion in the direction of a sister relationship between Craniata and Cephalochordata? Check all that apply.

Question

Quizplus · Accepted Answer

Even though Chordata is clearly monophyletic,questions remain regarding the relationships among the chordate subphyla.Most evidence suggests that the Cephalochordata and Craniata are sister groups,but additional evidence could certainly alter that interpretation.

There Is Little Question That Chordata Is a Monophyletic Group