Which is unmatching group ?

Options

A. Sea Pan, Sea Fan, Coral, Swimming Bell
B. Cuttle Fish, Shall Fish, Devil Fish and Sea Squid
C. Sea Star, sea Urchin, Sea Anemone and Sea Cow
D. Globe Fish, Bat Fish, Gold Fish and Pipe Fish.

Answer

To determine the unmatched group from the given options, we will analyze each group based on their biological classification.

### Step-by-Step Solution:

1. **Identify the Groups**:
- Group 1: Sea pen, Sea fan, Coral, Swimming bell
- Group 2: Cuttlefish, Shellfish, Devil fish, Sea squid
- Group 3: Sea urchin, Sea star, Sea anemone, Sea cow
- Group 4: Globefish, Batfish, Goldfish, Pipefish

2. **Analyze Group 1**:
- Sea pen, Sea fan, and Coral belong to the phylum **Cnidaria**.
- Swimming bell refers to jellyfish, which also belongs to **Cnidaria**.
- **Conclusion**: All members of Group 1 are cnidarians.

3. **Analyze Group 2**:
- Cuttlefish (Sepia), Shellfish, Devil fish (Octopus), and Sea squid all belong to the phylum **Mollusca**.
- **Conclusion**: All members of Group 2 are mollusks.

4. **Analyze Group 3**:
- Sea urchin and Sea star belong to the phylum **Echinodermata**.
- Sea anemone belongs to **Cnidaria**.
- Sea cow (manatee) is a mammal, belonging to the phylum **Chordata**.
- **Conclusion**: Group 3 contains members from three different phyla: Echinodermata, Cnidaria, and Chordata.

5. **Analyze Group 4**:
- Globefish, Batfish, Goldfish, and Pipefish are all classified under the group **Pisces** (true fishes).
- **Conclusion**: All members of Group 4 are fishes.

6. **Identify the Unmatched Group**:
- Groups 1, 2, and 4 consist of organisms from the same phylum or class.
- Group 3 contains organisms from three different phyla, making it the unmatched group.

### Final Answer:
The unmatched group is **Group 3** (Sea urchin, Sea star, Sea anemone, Sea cow).

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