The tall secretory cells around the pedal disc and mouth of Hydra are the ___________ cells.
Correct Answer:
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Q33: Ctenophores capture prey by use of
A)nematocysts.
B)collenchyme.
C)colloblasts.
D)statocysts.
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.
Q39: In cnidarians,extracellular digestion occurs in the
A)gastrovascular cavity.
B)gastrodermal
Q40: The correct sequence in the life cycle
Q41: Sea anemones may exhibit an unusual form
Q41: Ctenophores are propelled by eight plates bearing
Q47: The long thread-like structures that help to
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