Phylum Annelida

Phylum Annelida

graph TD; A[Phylum Annelida] --> B[Characteristics]; B --> C[Segmented Body]; B --> D[Presence of Bristles]; B --> E[Closed Circulatory System]; A --> F[Classes]; F --> G[Polychaeta]; F --> H[Oligochaeta]; F --> I[Hirudinea]; G --> J[Marine Worms]; H --> K[Earthworms]; I --> L[Leeches];