Question

why BALANOGLOSSUS is considered as connecting link between Non-chordate and Chordate​

Answer 1

Answer:

Because balanoglossus show similarities with both chordates and non chordates

Answer 2

Through the view point of evolution, Balanoglossus is considered as connecting link between non-chordates and chordates. This animal shows the characters of both the groups. It is a chordate since it has a notochord, tubular nerve cord and gill slits. The invertebrates character includes the phosphogens and larva.
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