#Question id: 8860
#9. Diversity of Life Forms
A radially symmetrical animal that has two embryonic tissue layers probably belongs to which phylum?
#Question id: 8861
#9. Diversity of Life Forms
Which of the following is true of members of the phylum Cnidaria?
#Question id: 8862
#9. Diversity of Life Forms
The members of which class of the phylum Cnidaria occur only as polyps?
#Question id: 8863
#9. Diversity of Life Forms
Which class of the phylum Cnidaria includes ʺjelliesʺ with rounded (as opposed to boxlike) medusae?
#Question id: 8864
#9. Diversity of Life Forms
Corals are most closely related to which group?
#Question id: 8886
#9. Diversity of Life Forms
Which characteristic is shared by both cnidarians and flatworms?