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Chordata/Vertebrata

Dorsal tubula...

Question

Dorsal tubular nervous system is present in:

A

All chordates

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B

All vertebrates

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C

All deuterostomes

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D

Amniotes only

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Solution

The correct option is A All chordates
In chordates, dorsal hollow nerve chord is present in the nervous system. Dorsal nerve chord is a unique feature of chordates, which distinguishes them from non-chordates.

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