Weberian ossicles are found in

Options

A. Frogs
B. Snakes
C. Fishes
D. Birds

Answer

To solve the question "Weberian ossicles are found in," we can follow these steps:

### Step-by-Step Solution:

1. **Understanding the Term "Weberian Ossicles":**
- Weberian ossicles are a specific anatomical structure found in certain fish species. They are a chain of small bones.

**Hint:** Remember that anatomical structures can be specific to certain groups of animals.

2. **Identifying the Function of Weberian Ossicles:**
- These ossicles connect the swim bladder to the auditory system in fish. Their primary function is to enhance hearing by conducting sound waves.

**Hint:** Think about how different animals perceive sound and the structures they use for hearing.

3. **Examining the Options:**
- The options provided are frogs, snakes, fishes, and birds. We need to determine which of these groups possesses Weberian ossicles.

**Hint:** Consider the unique adaptations of each animal group related to their hearing mechanisms.

4. **Analyzing Each Option:**
- **Frogs:** They possess columella auris, not Weberian ossicles.
- **Snakes:** They also have columella auris, not Weberian ossicles.
- **Fishes:** They are known to have Weberian ossicles, which connect the swim bladder to the ear.
- **Birds:** They have columella auris as well, not Weberian ossicles.

**Hint:** Focus on the anatomical features that are unique to each group.

5. **Conclusion:**
- Based on the analysis, the correct answer is **fishes**, as they are the only group listed that possesses Weberian ossicles.

### Final Answer:
Weberian ossicles are found in **fishes**.