Syncytial epidermis occurs in

Options

A. Ascaris
B. Hydra
C. Taenia
D. Pheretima

Explanation

To answer the question "Syncytial epidermis occurs in," we can follow these steps:

### Step 1: Understand the term "syncytial epidermis"
- Syncytial epidermis refers to a type of skin layer that consists of a multinucleate cell structure, meaning it has multiple nuclei within a single cell membrane. This is a characteristic feature of certain organisms.

### Step 2: Identify the organisms listed in the options
- The options provided are:
1. Ascaris
2. Hydra
3. Tinea
4. Ferritima

### Step 3: Analyze the characteristics of each organism
- **Ascaris**: This is a genus of parasitic roundworms (nematodes) known to have a syncytial epidermis.
- **Hydra**: This is a freshwater organism belonging to the phylum Cnidaria, which does not have a syncytial epidermis.
- **Tinea**: This refers to a genus of parasitic flatworms (tapeworms) that may have a syncytial layer but is not primarily known for it.
- **Ferritima**: This is less commonly referenced and does not typically have a syncytial epidermis.

### Step 4: Conclude based on the analysis
- Among the options, **Ascaris** is the organism that is well-known for having a syncytial epidermis. Therefore, the correct answer is **Option 1: Ascaris**.

### Final Answer:
Syncytial epidermis occurs in **Ascaris**.

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