Which one belongs to class polyplacophora

Options

A. Chiton
B. Patella
C. pila
D. Murex.

Answer

To determine which organism belongs to the class Polyplacophora, we can follow these steps:

### Step 1: Understand the Class Polyplacophora
Polyplacophora is a class within the phylum Mollusca. Members of this class are commonly known as chitons. They are characterized by having a shell composed of eight separate plates.

**Hint:** Look for organisms that have a unique shell structure with multiple plates.

### Step 2: Analyze the Options
The options provided are:
- A) Cheaton
- B) Patella
- C) Pila
- D) Murex

**Hint:** Compare each option to the characteristics of Polyplacophora.

### Step 3: Identify Each Organism's Class
- **Cheaton**: This is likely a misspelling of "Chiton," which is indeed a member of the class Polyplacophora.
- **Patella**: This organism belongs to the class Gastropoda.
- **Pila**: This is also a member of the class Gastropoda.
- **Murex**: This organism is part of the class Gastropoda as well.

**Hint:** Remember that Gastropoda includes snails and slugs, which do not have the eight-plate structure.

### Step 4: Conclusion
From the analysis, the only organism that belongs to the class Polyplacophora is **Chiton** (option A).

**Final Answer:** The organism that belongs to the class Polyplacophora is **Chiton**.