The phenomenon of skin cast can be observed in ?

Options

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

Answer

To solve the question regarding the phenomenon of skin cast, we will analyze the options provided and understand the characteristics of each organism in relation to skin casting.

### Step-by-Step Solution:

1. **Understand the Concept of Skin Cast**:
- Skin cast refers to the shedding or molting of the outer layer of skin, which is a common phenomenon in certain animals. This process allows for growth and can also help in removing parasites.

2. **Analyze the Options**:
- **Option A: Frog**: Frogs undergo a process called molting, but they do not exhibit skin casting in the same way as reptiles.
- **Option B: Fishes**: Fish have scales that are formed from the dermis, and they do not shed their skin in the form of a cast.
- **Option C: Snake**: Snakes are reptiles that do exhibit skin casting. They shed their skin periodically, which is a characteristic feature of reptiles.
- **Option D: Snails**: Snails have a shell and do not undergo skin casting as seen in reptiles.

3. **Determine the Correct Answer**:
- Based on the analysis, the phenomenon of skin cast is primarily observed in reptiles, specifically in snakes. Therefore, the correct answer is **C: Snake**.

### Final Answer:
The phenomenon of skin cast can be observed in **snakes** (Option C).