Member of Echinodermata has a specific system, which is not found in other phylum, it is :-

Options

A. Canal system
B. Water vascular system
C. Respiratory system
D. Jointed appendages

Answer

**Step-by-Step Text Solution:**

1. **Understanding the Question**: The question asks for a specific system found in members of the phylum Echinodermata that is not present in other phyla.

2. **Analyzing the Options**:
- **Option 1: Canal System**: This system consists of passages that connect various cavities in the body. It is not unique to Echinodermata, as it is also found in corals and sponges. Therefore, this option is incorrect.

- **Option 2: Water Vascular System**: This is a unique system found in Echinodermata. It is a network of fluid-filled canals that helps in locomotion, feeding, and respiration. Since this system is specific to Echinodermata and not found in other phyla, this option is correct.

- **Option 3: Respiratory System**: This system is responsible for gas exchange and is primarily found in mammals and other vertebrates. It is not unique to Echinodermata, making this option incorrect.

- **Option 4: Jointed Appendages**: Jointed appendages are a characteristic feature of arthropods, such as insects and crustaceans. Since this feature is not found in Echinodermata, this option is also incorrect.

3. **Conclusion**: After analyzing all the options, the only system that is specific to Echinodermata and not found in other phyla is the **Water Vascular System**.

**Final Answer**: The specific system found in members of Echinodermata that is not found in other phyla is the **Water Vascular System**.

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