Which term refers to a small muscular bulb in the sea star's foot that contracts and forces fluid into the tube foot?
A) ossicle
B) radial canal
C) ring canal
D) ampulla
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Q88: Which lineage is now extinct but appears
Q89: Which subphylum includes the sea squirts?
A) Cephalochordata
B)
Q90: Which lineage of echinoderms is made up
Q91: Which phylum has a unique water vascular
Q92: Which lineage includes living members that are
Q94: Which jawless fishes are considered to be
Q95: Which lineage includes members called lancelets?
A) Cephalochordata
B)
Q96: Which lineage has the largest number of
Q97: Which lineage of echinoderms is made up
Q98: Members of which phylum are called acorn
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