Question

All vertebrates are chordates but all chordates are not vertebrates. justify.

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 vertebrates

Answer 2

Answer:

• The characteristic features of the phylum, Chordata, include the presence of a notochord and paired pharyngeal gill slits.
• 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.