Question

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

Answer 1

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

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.