Question
How is Balanoglossus connecting link between chordates and non-chordates?
✓
Answer
Balanoglossus belongs to phylum
i. Hemichordata.
ii. It possesses certain characteristics of both Chordates and Non-chordates.
iii. Absence of vertebral column or spinal cord and a worm-like body are the Non- chordate like characteristics seen in Balanoglossus.
iv. Presence of notochord, pharyngeal gill slits are some Chordate-like characters seen in Balanoglossus.
Hence, Balanoglossus is considered as a connecting link between Non-chordates and Chordates.
i. Hemichordata.
ii. It possesses certain characteristics of both Chordates and Non-chordates.
iii. Absence of vertebral column or spinal cord and a worm-like body are the Non- chordate like characteristics seen in Balanoglossus.
iv. Presence of notochord, pharyngeal gill slits are some Chordate-like characters seen in Balanoglossus.
Hence, Balanoglossus is considered as a connecting link between Non-chordates and Chordates.
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