Which one is Sea Mouse?
(a) Aphrodite
(b) Peripatus
(c) Terebella
(d) Chaetopterus

Options

A. Aphrodite
B. Peripatus
C. Terebella
D. Chaetopterus

Answer

To determine which organism is known as the "Sea Mouse," we will analyze each option provided in the question.

### Step-by-Step Solution:

1. **Identify the Organisms**: We have four options to consider:
- (a) Aphrodite
- (b) Peripatus
- (c) Terebella
- (d) Chaetopterus

2. **Research Each Option**:
- **Aphrodite**: This organism is commonly known as the Sea Mouse. It is a marine polychaete worm that belongs to the class Polychaeta of the phylum Annelida. It is typically found in marine environments such as the North Atlantic, North Sea, Mediterranean Sea, and Baltic Sea.
- **Peripatus**: This organism belongs to the phylum Onychophora and is commonly known as the Velvet Worm. It is not related to the Sea Mouse.
- **Terebella**: This organism is also a type of polychaete worm, but it does not have the common name "Sea Mouse." Its common name is not widely recognized.
- **Chaetopterus**: This organism is known as the Parchment Tube Worm. It is also a polychaete but is not the Sea Mouse.

3. **Conclusion**: Based on the information gathered, the organism that is known as the Sea Mouse is **Aphrodite**.

### Final Answer:
The correct answer is (a) Aphrodite.

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