Walrus has tusks which develop from

Options

A. Upper incisors
B. Lower incisors
C. Upper canines
D. Lower canines .

Answer

To answer the question about the development of tusks in walruses, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Type of Teeth in Walruses**:
- Walruses have specialized teeth known as tusks.

2. **Understand the Origin of Tusks**:
- Tusks in walruses are not just any teeth; they are specifically modified from certain types of teeth.

3. **Determine the Specific Teeth**:
- Among the options provided (upper incisors, lower incisors, upper canines, lower canines), we need to identify which type of teeth develops into tusks.

4. **Recall the Function of Tusks**:
- Tusks serve various purposes, including defense, dominance displays, and aiding in hauling out onto ice.

5. **Conclude the Development Source**:
- Walrus tusks develop from the upper canines, which are modified to form these long, curved structures.

6. **Final Answer**:
- Therefore, the correct answer is that walrus tusks develop from the **upper canines**.

### Final Answer:
Walrus has tusks which develop from **upper canines**.

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