13.Centrum is a modified ___ A. Nerve cord B. Noto chord C. Spinal cord D. All of the above

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Muskan Anand

2 years ago

Option B All vertebrates constitute Amphiplatyan type of vertebra on the basis of type of centrum i.e. basic structure present in their body. Complete answer: All vertebrates possess backbone/ vertebral column, extending from skull to posterior end of trunk.

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