Question

in which of the following animal the notochord is replaced by bony vertebral column in the adult​

Answer 1

Answer:

Notochord is a characteristic feature of all chordates. The members of sub-phylum - Vertebrata possess notochord during the embryonic stage. But in adults the notochord is replaced by a cartilaginous or bony vertebral column.

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Answer 2

Answer:

Notochord is a characteristic feature of all chordates. The members of sub-phylum - Vertebrata possess notochord during the embryonic stage. But in adults the notochord is replaced by a cartilaginous or bony vertebral column. Whereas in member of other Sub-phyla of Chordata the notochord remain as such.

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