Question

"All vertebrates are chordates but all chordates are not vertebrates". Justify the statement .

Answer 1

Your answer is ---

In sub-phylum Vertebrata, the notochord present in embryos gets replaced by a cartilaginous or bony vertebral column in adults. ... Thus, it can be said that all vertebrates are chordates but all chordates are not vertebrates.

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Answer 2

$\huge\mathfrak\red {Answer}$

✔"All vertebrates are chordates but all chordates are not vertebrates". BECAUSE↘

In sub-phylum vertebrata,the notochord present in embryos get replaced by a cartilaginous or bony vertebral column in adults.