Biology · Animal Kingdom
एक ठोस, दोहरी अधर तंत्रिका रज्जू (Ventral nerve cord) निम्नलिखित में से किस संघ (Phylum) के जंतुओं की एक विशेषता है?
- 1प्लेटीहेल्मिन्थीज (Platyhelminthes)
- 2एनेलिडा (Annelida)✓
- 3सिलेंट्रेटा (Coelenterata)
- 4प्रोटोजोआ (Protozoa)
सही उत्तर देखें
एनेलिडा (Annelida)
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