You Are Walking Along the Beach and See the Remains

Multiple Choice

You are walking along the beach and see the remains of an unknown animal washed up on shore. You examine its characteristics and see that it is gelatinous, transparent, bilaterally symmetric, and lacks tentacles. You provisionally identify its phylum according to which choice?

A) Gelatinous body rules out Cnidaria.
B) Lack of tentacles rules out Cnidaria.
C) Bilateral symmetry rules out Platyhelminthes.
D) Transparent body rules out Ctenophora.