Assertion : Acraniata is a group of organisms | vedclass

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(A) Acraniata (also known as Protochordata) is a group of chordates that lack a distinct cranium (brain box) and a vertebral column.These organisms ar

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If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.

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(A) Acraniata (also known as Protochordata) is a group of chordates that lack a distinct cranium (brain box) and a vertebral column.These organisms are exclusively marine and lack a well-defined head region,which is why they are often referred to as 'acraniates'.Since the absence of a cranium is directly linked to the lack of a developed head region in these primitive chordates,the Reason correctly explains the Assertion.

Assertion : Acraniata is a group of organisms which do not have a distinct cranium.
Reason : It includes small marine forms without a head.

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Assertion : Acraniata is a group of organisms which do not have a distinct cranium.Reason : It includes small marine forms without a head.