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Phylum Hemichordata

Non-chordates...

Question

Non-chordates have

A

Notocord

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B

Dorsal tubular nerve chord

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C

Pharyngeal gill cleft

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D

Absence of hepatic portal system

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Solution

The correct option is D Absence of hepatic portal system
Non-chordates does not have a notochord. Nerve cord is ganglionated, double ventral and solid in them. Pharyngeal gill slits and the hepatic portal system is also absent.
So, the correct answer is option D.

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