Question:
what is difference between chor dates and non chordates
Answer:
|
CHORDATES |
NON-CHORDATES |
|
1. They possess notochord. |
1. They lack notochord. |
|
2. Pharyngeal gill slits are present. |
2. Pharyngeal gill slits are absent. |
|
3. Central nervous system is dorsal, hollow and single. |
3. Central nervous system is ventral, solid and double. |
|
4. Post anal tail is present |
4. Post anal tail is absent. |
|
5. Heart is ventral. |
5. Heart, if present, is dorsal. |
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