Hagfishes Differ from Lampreys in That

Multiple Choice

Hagfishes differ from lampreys in that

A) lampreys are cyclostomes, and hagfishes are not.
B) hagfishes undergo complete metamorphosis, and lampreys do not.
C) hagfishes have a complete skull, and lampreys do not.
D) hagfishes are marine, while lampreys are anadromous or freshwater species.
E) hagfishes are parasitic, while lampreys are predatory or feed on dead organisms.