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An Ancient Class of Echinoderms Whose Members Are Suspension Feeders

Question 18

Multiple Choice

An ancient class of echinoderms whose members are suspension feeders with long, feathery arms is called:

A) Asteroidea.
B) Crinoidea.
C) Ophiuroidea.
D) Echinoidea.
E) Holothuroidea.

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