Question

All vertebrates are chordates but all chordates are not vertebrates give reason

Answer 1

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 vertebrate.

Answer 2

Heya ur answer is :"»
The characteristic features of phylum chordata include the presence of a notochord and paired pharyngeal gills slites . In sub-phylum vertebrates ,the notochord present in embryo gets replaced by cartilaginous or bony vertibal column
hope it helps