NEET BiologyClass 11Chordates and non-chordatesHardSingle correct

A rod-like notochord, or a structure resembling it, is found in several animal groups, but its extent and how long it lasts differ from group to group. Which description of it is accurate?

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A rod-like notochord, or a structure resembling it, is found in several animal groups, but its extent and how long it lasts differ from group to group. Which description of it is accurate?

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