Question

in chordates,
1.which part gets replaced by vertebral column in adult stage.
2.which part gets replaced by central nervous system in adult stage.
pls reply me at the earliest

Answer 1

Answer:

1. LABEO

Explanation:

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.