Multiple Choice
"Bipinnaria" describes the
A) larval form of many echinoderms.
B) central two-branched reproductive structures of sea stars.
C) hydraulic system that controls the tube feet of sea urchins and sea stars.
D) ability of these animals to grow into either males or females.
E) underlying bilateral symmetry of an adult although it appears to be pentaradial.
Correct Answer:

Verified
Correct Answer:
Verified
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