alleryEchinoderms such as the starfish carry out locomotion mainly with the help of which structures?
AParapodia
BTube-feet
CJointed appendages
DTentacles
Answer & Solution
Correct answer: B. Tube-feet
1. Echinoderms move using a special set of structures.
2. They walk and capture prey with tube-feet.
3. Rule out parapodia: those are locomotory organs of annelids.
4. Jointed appendages belong to arthropods.
_Source: Balbharati (Maharashtra Board) Class 10 Science & Technology Part 2, Ch 6 "Animal Classification", p.80_
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