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Question
Give scientific reasons.
Balanoglossus is connecting link between non-chordates & chordates.
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[Textbook Question No.6d Pg no. 75]
Balanoglossus is connecting link between non-chordates & chordates. <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> [Textbook Question No.6d Pg no. 75]
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Solution
- Balanoglossus is a type of worm living in marine habitat.
- It belongs to order Enteropneusta.
- Balanoglossus is regarded as a connecting link between chordates and non-chordates as it shows presence of notochord, gill-slits and the dorsal tubular nerve cord which are the characteristic features of chordates.
- Its body is divided in three divisions known as proboscis, collar and trunk which is one of the characteristic features of non-chordates.
- Balanoglossus is a type of worm living in marine habitat.
- It belongs to order Enteropneusta.
- Balanoglossus is regarded as a connecting link between chordates and non-chordates as it shows presence of notochord, gill-slits and the dorsal tubular nerve cord which are the characteristic features of chordates.
- Its body is divided in three divisions known as proboscis, collar and trunk which is one of the characteristic features of non-chordates.
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