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
Q16: Unique characteristics of echinoderms include all of
Q17: Water enters the water vascular system of
Q18: Which of the following are considered "irregular"
Q19: The function of the papulae in the
Q20: Ecologically,sea stars are at what trophic level?
A)Producer
B)Herbivore
C)Top
Q22: A sea star feeds by absorbing food
Q23: Brittle stars differ from sea stars by
A)lacking
Q24: The crinoids
A)have the most primitive characters.
B)have far
Q25: In echinoderms,the main coelomic compartment is
A)missing.
B)a somatocoel.
C)completely
Q26: Structures in each arm of a sea
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