Arrow-worms feed
A) on plankton and small fish.
B) by retracting a hood and snapping onto food items.
C) by surfacing at night and drifting transparently among plankton.
D) All of the choices are correct.
E) None of the choices are correct.
Correct Answer:
Verified
Q1: Arrow worm reproduction and development involves
A)separate male
Q2: Treating sea urchin eggs with hypertonic seawater
Q4: Within basic research,sea urchins have been a
Q6: Pedicellariae are
A)larval sea stars.
B)the mouth-like openings into
Q7: The Chaetognaths
A)have radial symmetry.
B)feed on clams.
C)are small
Q8: The common name for chaetognaths is
A)arrow worms.
B)acorn
Q9: The function of the papulae in the
Q10: Arrow worm anatomy
A)lacks any coelom.
B)lacks a complete
Q14: The fossil record of echinoderms
A)is sparse with
Q20: Ecologically,sea stars are at what trophic level?
A)Producer
B)Herbivore
C)Top
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