Sea daisies were formerly assigned to a class of their own.They have been recently assigned to the echinoderm class
A) Asteroidea.
B) Ophiuroidea.
C) Holothuroidea
D) Crinoidea.
E) Echinoidea.
Correct Answer:
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Q48: Enteropneusta are wormlike as adults and pterobranchia
Q49: Synchronous spawning by enteropneusts suggests the presence
Q50: Nutritionally,pterobranchs are
A)filter feeders.
B)parasitic.
C)mutualistic.
D)commensalists
E)predators.
Q51: Exchange of respiratory gases in enteropneusts is
Q52: Coiled masses of fecal material called _
Q54: Enteropneusta and Pterobranchia are classes of animals
Q55: Most modern echinoderms assume a mouth-down feeding
Q56: Members of the phylum _ include acorn
Q57: Which of the following is a characteristic
Q58: Which is the only class of echinoderms
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