What Does the Presence of a Tail in Early Human

Multiple Choice

What does the presence of a tail in early human embryos and other chordates suggest about all chordates?

A) Chordates may eventually develop a tail when fully mature.
B) Chordate embryos have greater mutation rates than other organisms.
C) Chordates develop in a very different manner compared to other life forms.
D) Chordates were derived from a common ancestor with this developmental pathway.