Representatives of free living flatworms are:
A) turbellarians.
B) cestodes.
C) trematodes.
D) tapeworms.
E) polychaetes.
Correct Answer:
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Q31: Cnidarians that exhibit only the polyp stage
Q32: Which of the following is not a
Q33: The Portuguese man-o-war is a member of
Q34: The cnidarians have an incomplete gut (having
Q35: Clown fishes form symbiotic relationships with members
Q37: Most species of ctenophore are:
A) haploid.
B) male
Q38: Cnidarians have _ symmetry.
A) radial.
B) asymmetric.
C) bilateral.
D)
Q39: Ctenophores feed on:
A) phytoplankton.
B) benthic algae.
C) planktonic
Q40: The benthic jellyfish _ traps plankton to
Q41: Sponges feed on attached algae.
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