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Water vascular system and tube feet is t...

Water vascular system and tube feet is the characteristic of -

A

Arthropoda

B

Echinodermata

C

Molluscs

D

Bony fishes

Text Solution

AI Generated Solution

The correct Answer is:
**Step-by-Step Solution:** 1. **Identify the Key Terms**: The question mentions "water vascular system" and "tube feet." These are specific biological structures and systems. 2. **Understand the Function**: The water vascular system is a unique feature that aids in locomotion and respiration in certain organisms. It operates through hydraulic pressure. 3. **Recall the Relevant Phylum**: The water vascular system is characteristic of Echinoderms, which belong to the phylum Echinodermata. This phylum includes organisms such as starfish, sea urchins, and sea cucumbers. 4. **Eliminate Incorrect Options**: - Arthropoda: This phylum includes insects, arachnids, and crustaceans, which do not have a water vascular system. - Mollusk: This phylum includes snails, clams, and octopuses, which also lack a water vascular system. - Bonifish (likely a typo for "bony fish"): This group of fish does not possess a water vascular system. 5. **Conclude the Answer**: Since the water vascular system and tube feet are unique to Echinoderms, the correct answer is **Echinodermata**. **Final Answer**: The water vascular system and tube feet are characteristics of **Echinodermata**. ---
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