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
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
Q4: Arrow-worms feed
A) on plankton and small fish.
B)
Q8: The common name for chaetognaths is
A)arrow worms.
B)acorn
Q12: The orientation of a sea star is
A)a
Q13: Water enters the water vascular system of
Q14: The fossil record of echinoderms
A)is sparse with
Q18: Which of the following are considered "irregular"
Q20: Ecologically,sea stars are at what trophic level?
A)Producer
B)Herbivore
C)Top
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