Biology, asked by rajeshkumardhal, 7 months ago

5.Hemichordates have now been placed with the non-chordates, close to echinoderms, because *

A) notochord is absent.

B) pharyngeal gill-slits are lacking.

C) dorsal nerve cord is absent.

D) ear is lacking.

​

Answers

Answered by anuragsinghsisodia12
3

Answer:

Correct Answer : A.

Hemichordates have now been placed with the non-chordates because true notochord is absent in them but a buccal diverticulum is present in pre-oral region which is often regarded as stomochord.

Explanation:

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