Which among the following is not a feature of non-chordates?

Absence of post-anal tail

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Ventrally located heart

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Absence of notochord

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None of the above

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Solution

The correct option is B Ventrally located heart
In non-chordates, the notochord is absent or not proper and a post-anal tail is absent. Heart, if present is dorsal.
So, the correct option is B.

Suggest Corrections

A. Absence of bone marrow	1. Myxine and Petromyzon
B. Origin of chordates vertebral column	2. Neural cavity
C. Link between chordates and non chordates	3. Balanoglossus
D. Jawless	4. Aves
	5. Fish
	6. Notochord