Question

four distinct feature of phylum Vertebrata

Answer 1

1.Notochord is present in all chordates during sometime of development, it is formed on the dorsal side of the primitive gut in the early embryo stage.
2.Brain is set inside a bony box, known as cranium.
3.All vertebrates have a heart and closed circulatory system.
4.The endoskeleton is made of cartilage or bone.

Answer 2

they have a true vertebral column and internal skeleton bilaterally symmetrical triploblastic coelomic and segmented with Complex differentiation of body tissue they have notochord ,dorsal nerve cord, triploblastic , paired gilled pouches, and coelomate