Salamander belongs to:

Options

A. reptiles
B. amphibians
C. echinoderms
D. Both (1) and (2)

Answer

**Step-by-Step Solution:**

1. **Identify the Organism:** The question asks about the classification of the salamander. We need to determine which class or order it belongs to.

2. **Understand Salamander Characteristics:** Salamanders are characterized by having rudimentary (underdeveloped) eyes. This is an important feature that helps in identifying their classification.

3. **Classify Salamanders:** Salamanders are classified under the order Urodela. This order is part of the class Amphibia.

4. **Review the Class Amphibia:** The class Amphibia includes organisms that can live both in water and on land, which is a characteristic of salamanders.

5. **Eliminate Incorrect Options:**
- Reptiles: Salamanders do not belong to this class as reptiles are primarily terrestrial and do not have the same characteristics as amphibians.
- Echinoderms: This group consists of invertebrates like starfish and sea urchins, which are not related to salamanders.

6. **Conclusion:** Based on the characteristics and classification, the correct answer is that salamanders belong to the class Amphibia.

**Final Answer:** Salamander belongs to the class Amphibia.

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