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प्रश्न
How do annelid animals differ from arthropods?
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उत्तर
| Annelids | Arthropods | |
| 1. | The circulatory system of annelids is closed. | Arthropods have an open circulatory system. |
| 2. | The body is divided into several identical segments. | The body is divided into few specialized segments. |
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