Ctenophores capture prey by use of
A) nematocysts.
B) collenchyme.
C) colloblasts.
D) statocysts.
Correct Answer:
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Q28: Reef-building corals have mutualistic algal cells in
Q29: The body wall of a Hydra consists
Q30: The medusa of Obelia is the
A)sexual jellyfish
Q31: The function of the siphonoglyph is
A)to pump
Q32: The _ are often bioluminescent.
A)anthozoans
B)ctenophores
C)hydrozoans
D)scyphozoans
Fill in the
Q34: A pharynx and siphonoglyphs are structures found
Q35: Most of the zooids of Obelia are
Q36: In Obelia,the feeding polyp is the
A)perisarc.
B)gonangium.
C)manubrium.
D)hydranth.
Q37: The function of rhopalia is
A)digestive.
B)respiratory.
C)food capture.
D)sensory.
Q38: The tall secretory cells around the pedal
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