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प्रश्न
Differentiate between notochord and nerve cord
अंतर स्पष्ट करें
उत्तर
| Notochord | Nerve cord |
| All vertebrate embryos have a flexible rod-shaped body called the notochord. | The dorsal nerve cord is a hollow cord that connects the notochord to the body. |
| It is made up of cells produced from the mesoderm and determines the embryo's primitive plane. | It is made up of a rolling section of the ectoderm that forms the hollow tube. |
| In higher vertebrates, the vertebral column is present in place of the notochord. | The central nervous system is developed from the nerve cord. |
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Non Chordates (Invertebrata) - Phylum: Hemichordata
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