The water vascular system is a unique feature of which animal phylum?

Practice MCQ for SSC, UPSC, RRB Exams

A. Mollusca A.
B. Arthropoda B.
C. Echinodermata C.
D. Chordata D.

Correct Answer: C সঠিক উত্তর: C

Explanation ব্যাখ্যা

The water vascular system (or ambulacral system) is a hydraulic system used by Echinodermata (e.g., starfish, sea urchins) for locomotion, food and waste transportation, and respiration.

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