The complex chewing apparatus found in many sea urchins is the
A) Ampulla.
B) Aristotle's lantern.
C) Hydrocoel.
D) Pedicellariae.
E) Petaloid.
Correct Answer:
Verified
Q25: In echinoderms,the main coelomic compartment is
A)missing.
B)a somatocoel.
C)completely
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A)by budding.
B)only asexually by
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Q37: Which is NOT a correct association of
Q38: The role of the hemal system is
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