Question
Compare and contrast between Non-Chordates and Chordates.
✓
Answer
| Non-chordates | enoraates |
| 1. Notochord is absent. | Notochord present at least in the early embryonic life. |
| 2. Nerve cord is ventral, paired and ganglionated. | Nerve cord is single, dorsal and non-ganglionated. |
| 3. The heart, if present is dorsal. | The heart is ventral in position. |
| 4. Pharyngeal gill slits are absent. | Pharyngeal gill slits are present at least in embryonic stage. |
| 5. Post-anal tail is absent. | Post-anal tail is present at least in embryonic stage. |
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