Collar cells of sponges function in moving water through the sponge's body.
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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.
Q42: Colonial animals called moss animals (due to
Q44: Sponges are heavily preyed upon by marine
Q45: Water enters the spongocoel through the osculum.
Q46: Asexual reproduction in sponges is by binary
Q47: Ribbon worms use their _ for capturing
Q48: Ribbon worms belong to the phylum:
A) Nemertea.
B)
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