A) starfish
B) jellyfish
C) silver fish
D) Scoliodon
Correct Answer: A
Solution :
Tube feet are extensible tubular processes bearing suckers and present in rows on the under-surface of echinoderms. Tube feet are connected internally with water vascular system. Each tube foot has an ampulla, a podium and a sucker. Tube feet are sensory structures that take part in adhesion, locomotion, respiration and food capturing. They are locomotory organs of echinoderms like star fishes. Jelly fish is a member of phylum- Coelenterata. Scoliodon is a fish and silver fish is an arthropod.
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