Cnidarians do NOT have
A) tentacles equipped with nematocysts.
B) three germ layers.
C) radial symmetry.
D) a saclike gut.
E) medusa stages.
Correct Answer:
Verified
Q5: Nematocysts are used for _.
A) reproduction
B) excretion
C)
Q6: The organs of excretion in flatworms are
A)
Q52: The bulk of a jellyfish consists of
A)mesoderm.
B)mesohyl.
C)mesophyll.
D)mesoglea.
E)mesogel.
Q53: Tissues derived from mesoderm are absent in
A)sponges.
B)cnidarians.
C)flatworms.
D)sponges
Q54: In the life cycle of the fluke
Q55: Colonial cnidarians
A)include Obelia.
B)include the Portuguese man-of-war.
C)include corals.
D)may
Q56: In the life cycle of a typical
Q60: A scolex is
A)the anterior attachment organ of
Q61: Use the figure above to answer questions
Q62: Bivalves lack which of the following molluscan
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