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| 1. |
Balanoglossus is connecting link between non -chordates and chordates. |
| Answer» SOLUTION :BALANOGLOSSUS shows some characters of non - CHORDATES . It ALSO has notochord as in case of chordates. Since it shares the characters of non - chordates and chordates , from the view point of evolution , it is called connecting LINK between them. | |