The function of the papulae in the sea star is
A) respiration.
B) excretion.
C) reproduction.
D) digestion.
E) defense and protection.
Correct Answer:
Verified
Q14: The fossil record of echinoderms
A)is sparse with
Q15: Echinoderms are
A)mostly pelagic or free-swimming in open
Q16: Unique characteristics of echinoderms include all of
Q17: Water enters the water vascular system of
Q18: Which of the following are considered "irregular"
Q20: Ecologically,sea stars are at what trophic level?
A)Producer
B)Herbivore
C)Top
Q21: The complex chewing apparatus found in many
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
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