Which of the following is a segmented parasite?

Options

A. Nereis
B. Wuchereria
C. Pheretima
D. Hirudinaria

Answer

To determine which of the following is a segmented parasite, we can follow these steps:

### Step 1: Understand the term "segmented parasite"
- A segmented parasite is an organism that has a body divided into segments and lives as a parasite.

### Step 2: Identify the options provided
- The question mentions several organisms, but we need to focus on the ones that are segmented and parasitic.

### Step 3: Analyze the options
- **Herudineria**: This organism belongs to the class Annelida, which is known for segmented bodies. Herudineria is a type of leech that can be parasitic but can also live freely.
- **Neresis**: This is a type of polychaete worm that is not primarily a parasite.
- **Buscheria**: This is not a commonly recognized organism in the context of segmented parasites.
- **Ferretima**: This refers to earthworms, which are not parasites.

### Step 4: Conclusion
- Among the options, **Herudineria** is the only segmented organism that can also be a parasite. Therefore, the correct answer is option number four: **Herudineria**.

### Final Answer:
**Herudineria** is a segmented parasite.

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