Cnidarians and ctenophorans differ from other eumetazoans by having
A) radial symmetry.
B) bilateral symmetry.
C) major organ systems.
D) gills.
Correct Answer:
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Q2: Arthropods cannot grow to a very large
Q3: The type of body cavity seen in
Q5: Which is incorrect about cnidarians?
A) They exist
Q6: What group has a water vascular system,moves
Q7: Segmentation first evolved in the
A) flatworms.
B) annelids.
C)
Q9: The advantage of bilateral symmetry is that
Q11: Of the mollusks,octopuses are in the group
Q16: The first animal group to show extracellular
Q18: Which term does NOT apply to solid
Q20: Chordates can be characterized as having:
A)a notochord
B)a
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