1.

List out the Difference between Chordates and Non-Chordates.

Answer»
ChordatesNon-Chordates
1. Notochord is presentAbsence of notochord
2. Dorsal, hollow and single nerve cordDouble ventral solid nerve cord
3. Pharynx perforated by gill slitsGill slits absent
4. Heart is ventrally placedHeart is dorsal or laterally placed or absent
5. A post anal tail is presentPost anal tail is absent


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