Vertebrates possess which of the following characteristics?

Which of the following animals is known as an invertebrate chordate?

Echinoderms and chordates have

Assertion: Notochord is a mesodermally derived rod-like structure formed on the dorsal side during embryonic development of chordates.
Reason: Notochord is replaced by the vertebral column in the adult vertebrate.

Give three major differences between chordates and non-chordates and draw a schematic sketch of a chordate showing those features.

Which of the following is a superclass of Gnathostomata?