Sharks do not have

Options

A. Teeth
B. Claspers
C. Air bladder
D. Ventral mouth

Answer

To answer the question "Sharks do not have," we will analyze each option provided and determine which one is correct.

### Step-by-Step Solution:

1. **Evaluate Option 1: Teeth**
- Sharks are known for their sharp teeth, which are essential for their feeding habits.
- **Conclusion:** Sharks do have teeth. This option is incorrect.

2. **Evaluate Option 2: Claspers**
- Claspers are specialized structures found in male sharks and some ray-finned fishes. They are used for reproduction, specifically for transferring sperm to females.
- **Conclusion:** Sharks do have claspers (in males). This option is incorrect.

3. **Evaluate Option 3: Air Bladder**
- Air bladders are gas-filled organs that help many fish maintain buoyancy in the water. However, sharks do not possess air bladders; instead, they rely on their large livers filled with oil for buoyancy.
- **Conclusion:** Sharks do not have air bladders. This option is correct.

4. **Evaluate Option 4: Ventral Mouth**
- Sharks have a ventral mouth, which is located on the underside of their bodies. This is a characteristic feature of their anatomy.
- **Conclusion:** Sharks do have a ventral mouth. This option is incorrect.

### Final Answer:
The correct answer is that sharks do not have **air bladders**.

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